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Trail marathons — page 3
Find trail marathons with an announced upcoming date. Surface follows the specific edition: mixed, track and unconfirmed surfaces are not included in this collection.
Trail describes the recorded surface; it does not establish climbing, route marking or technical difficulty. Check the organiser’s current course information.
236 upcoming editions across 194 race families. Showing 81–120. Dates assessed for this list on 7 November 2026.
The list date is not a new source check. Each edition retains its recorded check date below; entry availability can change. Awaiting-date and past editions are not counted as upcoming.
23 January 2027
Frostbite Sir Titus Trot Marathon
Canal by the Boathouse Inn, Victoria Road, Saltaire · England
Surface: TrailPublished distance: Marathon (2 x half laps)
Organiser-labelled trail marathon. Marathon (2 x half laps); published wording is retained without assuming road certification or a numerical standard length.
Course and source notes
Fixed marathon distance using the organiser’s published loop arrangement; other festival distances are separate and excluded.
Opened official event page supplies exact date, named marathon option, event locality and surface. Generic Enter Now button does not establish current availability; UNKNOWN retained.
Edition sources checked 14 September 2026.
Official event (opens in a new tab)Entry information (opens in a new tab)23 January 2027
OMG (One Mile 2 Go) Run
Bawsey · England
Surface: TrailPublished distance: Full Marathon
Official event explicitly supports an individual full marathon category within its timed running challenge; lap lengths are approximate and are not silently normalised to a certified road distance.
Course and source notes
Official event explicitly supports an individual full marathon category within its timed running challenge; lap lengths are approximate and are not silently normalised to a certified road distance.
Official event explicitly supports an individual full marathon category within its timed running challenge; lap lengths are approximate and are not silently normalised to a certified road distance. Generic Enter Now button is not treated as availability confirmation.
Edition sources checked 14 September 2026.
Official event (opens in a new tab)Entry information (opens in a new tab)24 January 2027
Phoenix Gloucestershire Icicle Run Marathon Option
Brimscombe Corner, Stroud · England
Surface: TrailPublished distance: Marathon option (2.62-mile laps)
Seven-hour timed event with an explicit organiser-supported marathon option on 2.62-mile out-and-back laps.
Course and source notes
Seven-hour timed event with an explicit organiser-supported marathon option on 2.62-mile out-and-back laps.
Seven-hour timed event with an explicit organiser-supported marathon option on 2.62-mile out-and-back laps. Official event and entry pages verify date and venue. Only the attended individual marathon option is included; virtual products and other distances are excluded. Rounded lap distances are not multiplied into an invented measured total. Official entry page explicitly says Open.
Edition sources checked 14 September 2026.
Official event (opens in a new tab)Entry information (opens in a new tab)30 January 2027
Manchester - Bees vs Dragons — Marathon Option
Chorlton, Manchester · England
Surface: TrailPublished distance: Marathon option
Officially labelled trail marathon; exact published distance Marathon option is preserved. Official seven-hour timed event expressly offers half marathon, marathon and ultra choices; this listing is its supported marathon completion option. Numeric marathon distance is not supplied on this event page.
Course and source notes
Official seven-hour timed event expressly offers half marathon, marathon and ultra choices; this listing is its supported marathon completion option. Numeric marathon distance is not supplied on this event page.
Opened official source supports event identity, date, locality and published marathon option. Official seven-hour timed event expressly offers half marathon, marathon and ultra choices; this listing is its supported marathon completion option. Numeric marathon distance is not supplied on this event page. 2026-09-28 — registrationStatus: Official linked registration explicitly Open; scheduled date remains unchanged. This check covers these facts only; other fields retain their previous verification.
Edition sources checked 14 September 2026.
Official event (opens in a new tab)Entry information (opens in a new tab)30 January 2027
Pagan Midwinter Marathon
Chagford Cricket and Football Club · England
Surface: TrailPublished distance: over 28 miles
Organiser-labelled trail marathon. Published distance: over 28 miles.
Course and source notes
Current official event heading and current SiEntries calendar both say 30 January 2027; a search snippet said 23 January and was superseded by opened current pages. Explicit organiser-labelled long trail marathon on a prescribed downloadable route, not a mountain-navigation score event. Distance is over 28 miles and is not normalised to 42.195km. No readable linked booking destination is available; entry status remains unknown.
Edition sources checked 14 September 2026.
Official event (opens in a new tab)30 January 2027
Slawit Snowstorm Shuffle Marathon
Slaithwaite · England
Surface: TrailPublished distance: Marathon (2 x Half marathon Route)
Organiser-labelled trail marathon. Marathon (2 x Half marathon Route); published wording is retained without assuming road certification or a numerical standard length.
Course and source notes
Fixed marathon distance using the organiser’s published loop arrangement; other festival distances are separate and excluded.
Opened official event page supplies exact date, named marathon option, event locality and surface. Generic Enter Now button does not establish current availability; UNKNOWN retained. Registration community centre is not canal start outside Waves. 2026-09-28 — cutoffHours: Explicit race/event cutoff in official detail. This check covers these facts only; other fields retain their previous verification.
Edition sources checked 14 September 2026.
Official event (opens in a new tab)Entry information (opens in a new tab)4 February 2027
Squirrel Challenge
Daventry · England
Surface: TrailPublished distance: Marathon: 8 × 3.3-mile laps
Official six-hour running challenge explicitly recognises marathon completion as eight3.3-mile laps. Published off-road surface and exact lap wording retained; not normalised to certified road distance. Final route pending because new country park sections may be used.
Course and source notes
Official six-hour running challenge explicitly recognises marathon completion as eight3.3-mile laps. Published off-road surface and exact lap wording retained; not normalised to certified road distance. Final route pending because new country park sections may be used.
Edition sources checked 14 September 2026.
Official event (opens in a new tab)Entry information (opens in a new tab)5 February 2027
Phoenix Fridays — Run for a Tenner Marathon
Walton-on-Thames · England
Surface: TrailPublished distance: Marathon
Official page explicitly offers a marathon completion option within a timed event; this is not a conventional fixed-distance race. No exact total numerical marathon distance is stated; lap length has not been multiplied to invent one.
Course and source notes
Official page explicitly offers a marathon completion option within a timed event; this is not a conventional fixed-distance race. No exact total numerical marathon distance is stated; lap length has not been multiplied to invent one.
Official page explicitly offers a marathon completion option within a timed event; this is not a conventional fixed-distance race. No exact total numerical marathon distance is stated; lap length has not been multiplied to invent one. Linked official EventEntry listing explicitly states Open. 2026-09-28 — entryPrice: Specific Friday entry offers affiliated £10 and unaffiliated £12; no additional compulsory charge shown. This check covers these facts only; other fields retain their previous verification. 2026-09-28 — priceQualifier: Specific Friday entry offers affiliated £10 and unaffiliated £12; no additional compulsory charge shown. This check covers these facts only; other fields retain their previous verification.
Edition sources checked 14 September 2026.
Official event (opens in a new tab)Entry information (opens in a new tab)6 February 2027
Running Tribe Chesham Course 10 — Marathon option
Chesham · England
Surface: TrailPublished distance: 43.8 km
Official distance table explicitly recognises a marathon category completed in 8 whole laps, with the actual published total 43.8 km. This is a flexible-distance event closing at 5pm, not a conventional road marathon. Distinct numbered course variants are retained within the Running Tribe parent series; dates on the same course are editions. Correction audit: Linked official registration describes Courses 10 and 11 using Chilterns trails and paths. Correct surface from mixed to trail; no road proportion is established. It states 9am to5pm, an eight-hour event.
Course and source notes
Official distance table explicitly recognises a marathon category completed in 8 whole laps, with the actual published total 43.8 km. This is a flexible-distance event closing at 5pm, not a conventional road marathon. Distinct numbered course variants are retained within the Running Tribe parent series; dates on the same course are editions.
Official distance table explicitly recognises a marathon category completed in 8 whole laps, with the actual published total 43.8 km. This is a flexible-distance event closing at 5pm, not a conventional road marathon. Distinct numbered course variants are retained within the Running Tribe parent series; dates on the same course are editions. Generic entry controls do not establish entry availability. Linked organiser Eventrac entry was attempted; availability is unknown.
Edition sources checked 14 September 2026.
Official event (opens in a new tab)Entry information (opens in a new tab)6 February 2027
Skipton Sweetie Skedaddle Marathon
Skipton · England
Surface: TrailPublished distance: Marathon (2 x half marathon laps)
Organiser-labelled trail marathon. Marathon (2 x half marathon laps); published wording is retained without assuming road certification or a numerical standard length.
Course and source notes
Fixed marathon distance using the organiser’s published loop arrangement; other festival distances are separate and excluded.
Opened official event page supplies exact date, named marathon option, event locality and surface. Generic Enter Now button does not establish current availability; UNKNOWN retained. Date header confirms February 2027; summer wording in description appears stale and is not propagated. 2026-09-28 — cutoffHours: Explicit race/event cutoff in official detail. This check covers these facts only; other fields retain their previous verification.
Edition sources checked 14 September 2026.
Official event (opens in a new tab)Entry information (opens in a new tab)6 February 2027
The Icing on the Cake
Church Stretton · England
Surface: TrailPublished distance: 26.2 miles
Official page explicitly lists a marathon option.
Course and source notes
Official page explicitly lists a marathon option. Generic Enter Now button is not treated as availability confirmation.
Edition sources checked 14 September 2026.
Official event (opens in a new tab)Entry information (opens in a new tab)7 February 2027
Hardmoors Saltburn Trail Marathon
Saltburn-by-the-Sea · England
Surface: TrailPublished distance: 28 miles
Officially labelled trail marathon; exact published distance 28 miles is preserved. Part of the organiser-labelled Hardmoors 26.2 trail-marathon series. A prescribed circular course with downloadable map/description; self-navigation is required. Published longer-than-road-marathon distance is retained without normalisation.
Course and source notes
Opened official source supports event identity, date, locality and published marathon option. Part of the organiser-labelled Hardmoors 26.2 trail-marathon series. A prescribed circular course with downloadable map/description; self-navigation is required. Published longer-than-road-marathon distance is retained without normalisation.
Edition sources checked 14 September 2026.
Official event (opens in a new tab)Entry information (opens in a new tab)7 February 2027
Running Tribe Chesham Course 10 — Marathon option
Chesham · England
Surface: TrailPublished distance: 43.8 km
Official distance table explicitly recognises a marathon category completed in 8 whole laps, with the actual published total 43.8 km. This is a flexible-distance event closing at 5pm, not a conventional road marathon. Distinct numbered course variants are retained within the Running Tribe parent series; dates on the same course are editions. Correction audit: Linked official registration describes Courses 10 and 11 using Chilterns trails and paths. Correct surface from mixed to trail; no road proportion is established. It states 9am to5pm, an eight-hour event.
Course and source notes
Official distance table explicitly recognises a marathon category completed in 8 whole laps, with the actual published total 43.8 km. This is a flexible-distance event closing at 5pm, not a conventional road marathon. Distinct numbered course variants are retained within the Running Tribe parent series; dates on the same course are editions.
Official distance table explicitly recognises a marathon category completed in 8 whole laps, with the actual published total 43.8 km. This is a flexible-distance event closing at 5pm, not a conventional road marathon. Distinct numbered course variants are retained within the Running Tribe parent series; dates on the same course are editions. Generic entry controls do not establish entry availability. Linked organiser Eventrac entry was attempted; availability is unknown.
Edition sources checked 14 September 2026.
Official event (opens in a new tab)Entry information (opens in a new tab)7 February 2027
The Zipping Zebra Run - Northampton
Northampton · England
Surface: TrailPublished distance: Marathon: 6 × 4.37-mile laps
Official timed seven-hour challenge explicitly defines marathon completion as six4.37-mile laps and awards a marathon distance pin. Published paths/trail around Northampton Washlands; route may change. No inference from theoretical timed-event distance.
Course and source notes
Official timed seven-hour challenge explicitly defines marathon completion as six4.37-mile laps and awards a marathon distance pin. Published paths/trail around Northampton Washlands; route may change. No inference from theoretical timed-event distance.
Edition sources checked 14 September 2026.
Official event (opens in a new tab)Entry information (opens in a new tab)13 February 2027
The Huddersfield Hurtle Marathon
Chapel Hill, Huddersfield · England
Surface: TrailPublished distance: Marathon (2 x half laps)
Organiser-labelled trail marathon. Marathon (2 x half laps); published wording is retained without assuming road certification or a numerical standard length.
Course and source notes
Fixed marathon distance using the organiser’s published loop arrangement; other festival distances are separate and excluded.
Opened official event page supplies exact date, named marathon option, event locality and surface. Generic Enter Now button does not establish current availability; UNKNOWN retained. Official event locality is River Colne/Chapel Hill; generic Leeds–Liverpool canal wording appears reused, so no precise route or start coordinate is asserted.
Edition sources checked 14 September 2026.
Official event (opens in a new tab)Entry information (opens in a new tab)14 February 2027
Manchester - Cardio before Cupid — Marathon Option
Chorlton, Manchester · England
Surface: TrailPublished distance: Marathon option
Officially labelled trail marathon; exact published distance Marathon option is preserved. Official seven-hour timed event expressly offers half marathon, marathon and ultra choices; this listing is its supported marathon completion option. Numeric marathon distance is not supplied on this event page.
Course and source notes
Official seven-hour timed event expressly offers half marathon, marathon and ultra choices; this listing is its supported marathon completion option. Numeric marathon distance is not supplied on this event page.
Opened official source supports event identity, date, locality and published marathon option. Official seven-hour timed event expressly offers half marathon, marathon and ultra choices; this listing is its supported marathon completion option. Numeric marathon distance is not supplied on this event page. 2026-09-28 — registrationStatus: Official linked registration explicitly Open; scheduled date remains unchanged. This check covers these facts only; other fields retain their previous verification.
Edition sources checked 14 September 2026.
Official event (opens in a new tab)Entry information (opens in a new tab)14 February 2027
Portland Coastal Marathon
Portland · England
Surface: TrailPublished distance: Marathon (two loops of Portland)
Organiser-labelled trail marathon. Published distance: Marathon (two loops of Portland).
Course and source notes
Two prescribed island loops, with the second run in the opposite direction; GPS self-navigation required.
Current official calendar and event page confirm 14 February 2027 and an individual coastal trail marathon, distinct from half/10km options. Self-navigation follows a prescribed GPX course, not a navigation score event. Numeric course total not stated on opened current page.
Edition sources checked 14 September 2026.
Official event (opens in a new tab)Entry information (opens in a new tab)14 February 2027
Rayne’ing Medals Anniversary Marathon
Rayne · England
Surface: TrailPublished distance: Marathon:8 × 5.3km laps
Official current edition field and explicit marathon entry option verified. Individual marathon variant is distinct from timed/shorter options; no festival-distance duplication.
Course and source notes
Official current edition field and explicit marathon entry option verified. Individual marathon variant is distinct from timed/shorter options; no festival-distance duplication.
Edition sources checked 14 September 2026.
Official event (opens in a new tab)Entry information (opens in a new tab)14 February 2027
Taff Xtreme Marathon
Merthyr Tydfil Leisure Centre · Wales
Surface: TrailPublished distance: 26.2 miles
Organiser-labelled trail marathon; exact published distance retained. Opened official sources support the date, individual marathon, start locality and published distance. Marathon starts by Merthyr Leisure Centre and finishes Nantgarw. The 47.5-mile Brecon option is separate. Registration at Nantgarw is not the start.
Course and source notes
Opened official sources support the date, individual marathon, start locality and published distance. Marathon starts by Merthyr Leisure Centre and finishes Nantgarw. The 47.5-mile Brecon option is separate. Registration at Nantgarw is not the start.
Edition sources checked 14 September 2026.
Official event (opens in a new tab)Entry information (opens in a new tab)14 February 2027
The Love Run Marathon
Pengethley, Ross-on-Wye · England
Surface: TrailPublished distance: Marathon option; 2.5 km off-road laps
Physical seven-hour timed challenge explicitly supports a marathon target on 2.5 km off-road laps at Pengethley Manor. Virtual participation is a separate option and is not imported; exact marathon lap adjustment is not published.
Course and source notes
Physical seven-hour timed challenge explicitly supports a marathon target on 2.5 km off-road laps at Pengethley Manor. Virtual participation is a separate option and is not imported; exact marathon lap adjustment is not published.
Edition sources checked 14 September 2026.
Official event (opens in a new tab)Entry information (opens in a new tab)14 February 2027
The Valentines Run - North — Marathon Option
Durham · England
Surface: TrailPublished distance: Marathon (6 × 4.37-mile laps)
Officially labelled trail marathon; exact published distance Marathon (6 × 4.37-mile laps) is preserved. Official timed challenge explicitly recognises a marathon after six 4.37-mile laps; lap length may change to 3.28 miles according to conditions. Marathon completion pins are expressly offered. Duration 7 hours. Entry availability is not verified by the generic entry control.
Course and source notes
Official timed challenge explicitly recognises a marathon after six 4.37-mile laps; lap length may change to 3.28 miles according to conditions. Marathon completion pins are expressly offered. Duration 7 hours. Entry availability is not verified by the generic entry control.
Opened official source supports event identity, date, locality and published marathon option. Official timed challenge explicitly recognises a marathon after six 4.37-mile laps; lap length may change to 3.28 miles according to conditions. Marathon completion pins are expressly offered. Duration 7 hours. Entry availability is not verified by the generic entry control.
Edition sources checked 14 September 2026.
Official event (opens in a new tab)Entry information (opens in a new tab)16 February 2027
Phoenix Gloucestershire Hedgie Hog Jog Marathon Option
Brimscombe Corner, Stroud · England
Surface: TrailPublished distance: Marathon option (2.62-mile laps)
Seven-hour timed event with an explicit organiser-supported marathon option on 2.62-mile out-and-back laps.
Course and source notes
Seven-hour timed event with an explicit organiser-supported marathon option on 2.62-mile out-and-back laps.
Seven-hour timed event with an explicit organiser-supported marathon option on 2.62-mile out-and-back laps. Official event and entry pages verify date and venue. Only the attended individual marathon option is included; virtual products and other distances are excluded. Rounded lap distances are not multiplied into an invented measured total. Official entry page explicitly says Open.
Edition sources checked 14 September 2026.
Official event (opens in a new tab)Entry information (opens in a new tab)20 February 2027
Besotted at Bingley Marathon
Bingley · England
Surface: TrailPublished distance: Marathon (2 x half marathon laps)
Organiser-labelled trail marathon. Marathon (2 x half marathon laps); published wording is retained without assuming road certification or a numerical standard length.
Course and source notes
Fixed marathon distance using the organiser’s published loop arrangement; other festival distances are separate and excluded.
Opened official event page supplies exact date, named marathon option, event locality and surface. Generic Enter Now button does not establish current availability; UNKNOWN retained.
Edition sources checked 14 September 2026.
Official event (opens in a new tab)Entry information (opens in a new tab)20 February 2027
Endurancelife Northumberland Marathon
Bamburgh · England
Surface: TrailPublished distance: 27.8 miles
Officially labelled trail marathon; exact published distance 27.8 miles is preserved. Bamburgh is published event locality; marathon uses a remote start whose exact location is not yet verified. Do not geocode this event-locality as a marathon start. Official table separately identifies marathon distance; generic booking control and capacity graphic do not alone verify availability.
Course and source notes
Opened official source supports event identity, date, locality and published marathon option. Bamburgh is published event locality; marathon uses a remote start whose exact location is not yet verified. Do not geocode this event-locality as a marathon start. Official table separately identifies marathon distance; generic booking control and capacity graphic do not alone verify availability.
Edition sources checked 14 September 2026.
Official event (opens in a new tab)Entry information (opens in a new tab)20 February 2027
The Tiger Trot - Northampton
Northampton · England
Surface: TrailPublished distance: Marathon: 6 × 4.37-mile laps
Official timed seven-hour challenge explicitly defines marathon completion as six4.37-mile laps and awards a marathon distance pin. Published paths/trail around Northampton Washlands; route may change. No inference from theoretical timed-event distance.
Course and source notes
Official timed seven-hour challenge explicitly defines marathon completion as six4.37-mile laps and awards a marathon distance pin. Published paths/trail around Northampton Washlands; route may change. No inference from theoretical timed-event distance.
Edition sources checked 14 September 2026.
Official event (opens in a new tab)Entry information (opens in a new tab)21 February 2027
BigMud Trails Marathon
Queen Elizabeth Country Park, Horndean · England
Surface: TrailPublished distance: Marathon
Official full-marathon classification. Official individual marathon option within a multi-distance trail event. Other ultra/shorter entries and camping tickets are not separate marathon editions.
Course and source notes
Official individual marathon option within a multi-distance trail event. Other ultra/shorter entries and camping tickets are not separate marathon editions.
Official individual marathon option within a multi-distance trail event. Other ultra/shorter entries and camping tickets are not separate marathon editions. Generic entry controls do not establish entry availability.
Edition sources checked 14 September 2026.
Official event (opens in a new tab)Entry information (opens in a new tab)21 February 2027
Marriott’s Way Marathon
Norwich · England
Surface: TrailPublished distance: Full Marathon (approximate)
Official organiser and linked timing page confirm21February2027. Wensum Park marathon start; Aylsham is finish. Source start-time text conflicts08:30/09:00 so no time asserted. Distances not certified.
Course and source notes
Official organiser and linked timing page confirm21February2027. Wensum Park marathon start; Aylsham is finish. Source start-time text conflicts08:30/09:00 so no time asserted. Distances not certified.
Edition sources checked 14 September 2026.
Official event (opens in a new tab)Entry information (opens in a new tab)21 February 2027
Thetford Festival of Running
High Lodge, Thetford Forest, Brandon · England
Surface: TrailPublished distance: Full Marathon
Official event explicitly supports an individual full marathon category within its timed running challenge; lap lengths are approximate and are not silently normalised to a certified road distance.
Course and source notes
Official event explicitly supports an individual full marathon category within its timed running challenge; lap lengths are approximate and are not silently normalised to a certified road distance.
Official event explicitly supports an individual full marathon category within its timed running challenge; lap lengths are approximate and are not silently normalised to a certified road distance. Generic Enter Now button is not treated as availability confirmation.
Edition sources checked 14 September 2026.
Official event (opens in a new tab)Entry information (opens in a new tab)26 February 2027
Badger Challenge
Beacon Hill Country Park · England
Surface: TrailPublished distance: Marathon: 8 × 3.3-mile laps
Official six-hour running challenge explicitly recognises marathon completion as eight3.3-mile laps. Published off-road surface and exact lap wording retained; not normalised to certified road distance.
Course and source notes
Official six-hour running challenge explicitly recognises marathon completion as eight3.3-mile laps. Published off-road surface and exact lap wording retained; not normalised to certified road distance.
Edition sources checked 14 September 2026.
Official event (opens in a new tab)Entry information (opens in a new tab)28 February 2027
Curvy Cuerden Challenge — Marathon
Clayton-le-Woods, Preston · England
Surface: TrailPublished distance: Marathon (8 × 5K laps + short loop)
The current organiser explicitly lists this individual marathon option. The organiser booking header and event details agree on Sunday 28 February 2027, with Open entry and explicit full/half marathon lap-plus-short-loop options. An old descriptive sentence still says Friday. The dated header is used; prior lap lengths and cutoff are not inherited.
Course and source notes
The organiser explicitly defines marathon completion as eight 5km laps plus a short loop, and half-marathon completion as four full laps plus a short loop within the six-hour challenge.
Field-scoped review 2026-10-28: The organiser booking header and event details agree on Sunday 28 February 2027, with Open entry and explicit full/half marathon lap-plus-short-loop options. An old descriptive sentence still says Friday. The dated header is used; prior lap lengths and cutoff are not inherited. Unverified edition-specific facts remain unknown.
Edition sources checked 28 October 2026.
Official event (opens in a new tab)Entry information (opens in a new tab)5 March 2027
Phoenix Fridays — Run for a Tenner Marathon
Walton-on-Thames · England
Surface: TrailPublished distance: Marathon
Official page explicitly offers a marathon completion option within a timed event; this is not a conventional fixed-distance race. No exact total numerical marathon distance is stated; lap length has not been multiplied to invent one.
Course and source notes
Official page explicitly offers a marathon completion option within a timed event; this is not a conventional fixed-distance race. No exact total numerical marathon distance is stated; lap length has not been multiplied to invent one.
Official page explicitly offers a marathon completion option within a timed event; this is not a conventional fixed-distance race. No exact total numerical marathon distance is stated; lap length has not been multiplied to invent one. Linked official EventEntry listing explicitly states Open. 2026-09-28 — entryPrice: Specific Friday entry offers affiliated £10 and unaffiliated £12; no additional compulsory charge shown. This check covers these facts only; other fields retain their previous verification. 2026-09-28 — priceQualifier: Specific Friday entry offers affiliated £10 and unaffiliated £12; no additional compulsory charge shown. This check covers these facts only; other fields retain their previous verification.
Edition sources checked 14 September 2026.
Official event (opens in a new tab)Entry information (opens in a new tab)6 March 2027
Dark Skies Run at Kielder 26.6
Kielder Waterside, Kielder Water · England
Surface: TrailPublished distance: 26.6 miles
Officially labelled trail marathon; exact published distance 26.6 miles is preserved. One complete anticlockwise 26.6-mile Kielder Water circuit at night. Individual full-distance running event, not the 11-mile/10K options or double package.
Course and source notes
Opened official source supports event identity, date, locality and published marathon option. One complete anticlockwise 26.6-mile Kielder Water circuit at night. Individual full-distance running event, not the 11-mile/10K options or double package. 2026-09-28 — cutoffHours: Explicit full-marathon time limit. This check covers these facts only; other fields retain their previous verification. 2026-09-28 — eventEndDate: 17:30 start and00:30 cutoff run into following local calendar day. This check covers these facts only; other fields retain their previous verification.
Edition sources checked 14 September 2026.
Official event (opens in a new tab)Entry information (opens in a new tab)6 March 2027
Endurancelife Sussex Marathon
Eastbourne · England
Surface: TrailPublished distance: 26.2 miles
Official full-marathon classification. Official distance table distinguishes 26.2-mile marathon from 32.5-mile ultra. Helen Gardens is the stated event base; no vague coastal centroid is used.
Course and source notes
Official distance table distinguishes 26.2-mile marathon from 32.5-mile ultra. Helen Gardens is the stated event base; no vague coastal centroid is used.
Official distance table distinguishes 26.2-mile marathon from 32.5-mile ultra. Helen Gardens is the stated event base; no vague coastal centroid is used. Generic entry controls do not establish entry availability.
Edition sources checked 14 September 2026.
Official event (opens in a new tab)Entry information (opens in a new tab)6 March 2027
Leeds Canal Side Run Marathon
Granary Wharf, Leeds · England
Surface: TrailPublished distance: Marathon (2 x half marathon laps)
Organiser-labelled trail marathon. Marathon (2 x half marathon laps); published wording is retained without assuming road certification or a numerical standard length.
Course and source notes
Fixed marathon distance using the organiser’s published loop arrangement; other festival distances are separate and excluded.
Opened official event page supplies exact date, named marathon option, event locality and surface. Generic Enter Now button does not establish current availability; UNKNOWN retained.
Edition sources checked 14 September 2026.
Official event (opens in a new tab)Entry information (opens in a new tab)7 March 2027
Larmer Tree Marathon
Larmer Tree Gardens, Tollard Royal · England
Surface: TrailPublished distance: Marathon (2 x Half Marathon)
Organiser-labelled trail marathon. Published distance: Marathon (2 x Half Marathon).
Course and source notes
Individual marathon completed over the organiser's fixed lap course.
Official heading announces7March2027; lower essentials still8March2026 so2027entrydetailsnot assumed. EventstartTollardRoyal inSouthWest. Current successorRelish, not obsolete WhiteStar website. Approx21.5km lap notedinorganisertext; preserve publishedformatwithout inferringprecisetotal. Field-scoped review 2026-10-28: The organiser explicitly marks the 7 March 2027 marathon and half-marathon event entries open. Other facts retain their earlier verification dates.
Edition sources checked 14 September 2026.
Official event (opens in a new tab)7 March 2027
Rosliston Rumble
Rosliston · England
Surface: TrailPublished distance: Marathon: 8 × 5.275km laps
Official timed six-hour challenge explicitly recognises a full marathon at 8 × 5.275km laps. Published completion distance is longer than standard; organiser-labelled trail/mixed marathon option is retained transparently. Date is stated on the current official calendar; stale historical-weather widgets are not used as future-date evidence.
Course and source notes
Official timed six-hour challenge explicitly recognises a full marathon at 8 × 5.275km laps. Published completion distance is longer than standard; organiser-labelled trail/mixed marathon option is retained transparently. Date is stated on the current official calendar; stale historical-weather widgets are not used as future-date evidence.
Official timed six-hour challenge explicitly recognises a full marathon at 8 × 5.275km laps. Published completion distance is longer than standard; organiser-labelled trail/mixed marathon option is retained transparently. Date is stated on the current official calendar; stale historical-weather widgets are not used as future-date evidence. 2026-09-28 — entryPrice: Edition-specific official price; no additional compulsory booking fee was published in the readable source. Optional add-ons excluded. This check covers these facts only; other fields retain their previous verification. 2026-09-28 — priceQualifier: Edition-specific official price; no additional compulsory booking fee was published in the readable source. Optional add-ons excluded. This check covers these facts only; other fields retain their previous verification.
Edition sources checked 14 September 2026.
Official event (opens in a new tab)Entry information (opens in a new tab)7 March 2027
Thames Meander Marathon
Barnes, London · England
Surface: TrailPublished distance: 26.2 miles
Official full-marathon classification. Official course uses two 13.1-mile out-and-back laps. Actual start is Small Profit Dock Gardens in Barnes; Surrey/Richmond directory marketing does not determine regional assignment.
Course and source notes
Official course uses two 13.1-mile out-and-back laps. Actual start is Small Profit Dock Gardens in Barnes; Surrey/Richmond directory marketing does not determine regional assignment.
Official course uses two 13.1-mile out-and-back laps. Actual start is Small Profit Dock Gardens in Barnes; Surrey/Richmond directory marketing does not determine regional assignment. Generic entry controls do not establish entry availability.
Edition sources checked 14 September 2026.
Official event (opens in a new tab)9 March 2027
Hare Challenge
Coombe Abbey Park · England
Surface: TrailPublished distance: Marathon: 8 × 3.3-mile laps
Official six-hour running challenge explicitly recognises marathon completion as eight3.3-mile laps. Published off-road surface and exact lap wording retained; not normalised to certified road distance.
Course and source notes
Official six-hour running challenge explicitly recognises marathon completion as eight3.3-mile laps. Published off-road surface and exact lap wording retained; not normalised to certified road distance.
Edition sources checked 14 September 2026.
Official event (opens in a new tab)Entry information (opens in a new tab)13 March 2027
Brechfa Trail Marathon
Keepers Car Park, Brechfa Forest · Wales
Surface: TrailPublished distance: Two laps of a 13 mile loop
Organiser-labelled trail marathon; exact published distance retained. Opened official sources support the date, individual marathon, start locality and published distance. Official dated page and linked Fabian4 agree 13 March 2027. A stale entry-closing date still says 2026; availability left unknown.
Course and source notes
Two laps of the published 13-mile trail loop.
Opened official sources support the date, individual marathon, start locality and published distance. Official dated page and linked Fabian4 agree 13 March 2027. A stale entry-closing date still says 2026; availability left unknown.
Edition sources checked 14 September 2026.
Official event (opens in a new tab)Entry information (opens in a new tab)13 March 2027
Surrey - Spring Marathon & Half Marathon
Walton-on-Thames · England
Surface: TrailPublished distance: Marathon (8 laps)
Official page identifies the independently entered marathon distance.
Course and source notes
Official page identifies the independently entered marathon distance.
Official page identifies the independently entered marathon distance. Linked official EventEntry listing explicitly states Open.
Edition sources checked 14 September 2026.
Official event (opens in a new tab)Entry information (opens in a new tab)
Choosing a race from this collection
Check the published distance and course format together. A timed challenge with a marathon option and a fixed-distance race have different arrangements. Surface, distance certification, elevation and entry status are separate facts. Follow the organiser’s current information before deciding.
The main marathons page also keeps races awaiting a next date separate from confirmed editions. An earlier edition is useful context, not evidence of a future date or unchanged route.