Sunday, 6 Dec 2026 · Entries open
Sikhs in the City Dawn to Dusk Marathon
Teresa Gavin House, Southend Road, Woodford Green · London, England
Surface: Road
Organised by Sikhs in the City
- Published distance
- 21 laps of a certified 2.014 Km course
A dawn-to-dusk lapped road event in Woodford Green with a separate individual marathon category.
Marathon option in a timed challenge
Dawn-to-dusk event with an explicitly selectable marathon entry,21-lap marathon completion and separate marathon results/awards; ultra and relay entries excluded.
Official club homepage links this exact EventEntry page and confirms 6 December 2026 full-marathon option. EventEntry explicitly shows Open and a separately selectable individual Marathon entry. Marathon completion is 21 laps of the certified 2.014 km course; the organiser labels the course as certified and the marathon as counting for100MC. Preserve the published lap distance rather than manufacturing a standard42.195km total. The event runs from08:04to15:54 with marathon ranking distinct from the ultra. Mostly tarmac road/pavement. Actual start is Teresa Gavin House car park, Southend Road, Woodford Green IG8 8FA, in London; directory Essex/Hainault labels do not define geography. One individual marathon edition, excluding team relay/ultra/22km/10km.
Approximate race area. Check the organiser’s website for the exact start and race-day directions.
Details & source checks
Start: Teresa Gavin House, Woodford Green
Official club homepage links this exact EventEntry page and confirms 6 December 2026 full-marathon option. EventEntry explicitly shows Open and a separately selectable individual Marathon entry. Marathon completion is 21 laps of the certified 2.014 km course; the organiser labels the course as certified and the marathon as counting for100MC. Preserve the published lap distance rather than manufacturing a standard42.195km total. The event runs from08:04to15:54 with marathon ranking distinct from the ultra. Mostly tarmac road/pavement. Actual start is Teresa Gavin House car park, Southend Road, Woodford Green IG8 8FA, in London; directory Essex/Hainault labels do not define geography. One individual marathon edition, excluding team relay/ultra/22km/10km.
Sources checked 14 September 2026. Entry availability can change; check with the organiser.
Event base: approximate postcode area. Current 2026 organiser entry identifies its usual event location as the car park of Teresa Gavin House, Southend Road, Woodford Green IG8 8FA. Independent current official-source sample found a closer public venue postcode. Approximate postcode anchor only; do not replace any originally valid baseline point. Preserve general verification timestamps and non-location fields. Postcodes.io postcode centroid: approximate postcode location, not exact start. Apply only to listed editions where applicability is explicitly bounded. Location source (opens in a new tab)
Geographic location source 1 (opens in a new tab)
Sunday, 27 Dec 2026 · Entries open
Crystal Palace - Alice in Runderland — Marathon option
Crystal Palace Park, Thicket Road, London · London, England
Surface: Mixed
Organised by Phoenix Running
- Published distance
- Marathon
A marathon option within a timed mixed event at Crystal Palace Park, London.
Marathon option in a timed challenge
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.
Approximate race area. Check the organiser’s website for the exact start and race-day directions.
Details & source checks
Series: Phoenix Running
Start: Crystal Palace Park, London
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.
Sources checked 14 September 2026. Entry availability can change; check with the organiser.
Event venue: approximate postcode area. Exact event address names the park entrance area, not London centre. Bounded residual official-page location check. Existing catalogue identity and current-edition eligibility retained; no dates or general source-check timestamp changed. Postcode representative point remains approximate. Postcodes.io postcode centroid: approximate postcode location, not exact start. Apply only to listed editions where applicability is explicitly bounded. Location source (opens in a new tab)
Geographic location source 1 (opens in a new tab)
Sunday, 21 Feb 2027 · Entries open
Crystal Palace - Strictly Running — Marathon option
Crystal Palace Park, Thicket Road, London · London, England
Surface: Mixed
Organised by Phoenix Running
- Published distance
- Marathon
A marathon option within a timed mixed event at Crystal Palace Park, London.
Marathon option in a timed challenge
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.
Approximate race area. Check the organiser’s website for the exact start and race-day directions.
Details & source checks
Series: Phoenix Running
Start: Crystal Palace Park, London
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.
Sources checked 14 September 2026. Entry availability can change; check with the organiser.
Event venue: approximate postcode area. Separate named event page confirms same park address. Bounded residual official-page location check. Existing catalogue identity and current-edition eligibility retained; no dates or general source-check timestamp changed. Postcode representative point remains approximate. Postcodes.io postcode centroid: approximate postcode location, not exact start. Apply only to listed editions where applicability is explicitly bounded. Location source (opens in a new tab)
Geographic location source 1 (opens in a new tab)
Sunday, 7 Mar 2027 · Entry status unknown
Thames Meander Marathon
Barnes, London · London, England
Surface: Trail
Organised by Hermes Running
- Published distance
- 26.2 miles
A trail marathon from Barnes, London.
Lapped marathon
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 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.
Approximate race area. Check the organiser’s website for the exact start and race-day directions.
Details & source checks
Start: Barnes, London
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.
Sources checked 14 September 2026. Entry availability can change; check with the organiser.
Map location: approximate race area. Approximate event locality: centroid of the organiser-published event postcode. This is not a verified start-line point. Official event-location evidence: https://www.hermesrunning.com/thames-meander/ Location source (opens in a new tab)
Saturday, 24 Apr 2027 · Entries closed
TCS London Marathon
Greenwich, London · London, England
Surface: Road
Organised by London Marathon Events
- Published distance
- Marathon
A road marathon from Greenwich, London.
Fixed-distance marathon
Official 2027 announcement and Double FAQs confirm two separately allocated race days on the same Greenwich-to-Westminster route. One runner may participate on only one allocated day. The public ballot is closed; charity routes have their own allocation and fundraising conditions. Virtual MyWay is excluded.
Official full-marathon classification. Official 2027 announcement and Double FAQs confirm two separately allocated race days on the same Greenwich-to-Westminster route. One runner may participate on only one allocated day. The public ballot is closed; charity routes have their own allocation and fundraising conditions. Virtual MyWay is excluded.
Approximate race area. Check the organiser’s website for the exact start and race-day directions.
Details & source checks
Start: Greenwich, London
Official 2027 announcement and Double FAQs confirm two separately allocated race days on the same Greenwich-to-Westminster route. One runner may participate on only one allocated day. The public ballot is closed; charity routes have their own allocation and fundraising conditions. Virtual MyWay is excluded. Generic entry controls do not establish entry availability.
Sources checked 14 September 2026. Entry availability can change; check with the organiser.
Map location: approximate race area. Approximate event locality: officially named event town/locality centre. This is not a verified start-line point. Official event-location evidence: https://www.londonmarathonevents.co.uk/london-marathon Location source (opens in a new tab)
Sunday, 25 Apr 2027 · Entries closed
TCS London Marathon
Greenwich, London · London, England
Surface: Road
Organised by London Marathon Events
- Published distance
- Marathon
A road marathon from Greenwich, London.
Fixed-distance marathon
Official 2027 announcement and Double FAQs confirm two separately allocated race days on the same Greenwich-to-Westminster route. One runner may participate on only one allocated day. The public ballot is closed; charity routes have their own allocation and fundraising conditions. Virtual MyWay is excluded.
Official full-marathon classification. Official 2027 announcement and Double FAQs confirm two separately allocated race days on the same Greenwich-to-Westminster route. One runner may participate on only one allocated day. The public ballot is closed; charity routes have their own allocation and fundraising conditions. Virtual MyWay is excluded.
Approximate race area. Check the organiser’s website for the exact start and race-day directions.
Details & source checks
Start: Greenwich, London
Official 2027 announcement and Double FAQs confirm two separately allocated race days on the same Greenwich-to-Westminster route. One runner may participate on only one allocated day. The public ballot is closed; charity routes have their own allocation and fundraising conditions. Virtual MyWay is excluded. Generic entry controls do not establish entry availability.
Sources checked 14 September 2026. Entry availability can change; check with the organiser.
Map location: approximate race area. Approximate event locality: officially named event town/locality centre. This is not a verified start-line point. Official event-location evidence: https://www.londonmarathonevents.co.uk/london-marathon Location source (opens in a new tab)
Sunday, 12 Sept 2027 · Entries open
Richmond Marathon
Kew, London · London, England
Surface: Mixed
Organised by RUN-FEST
- Published distance
- Marathon
A mixed marathon from Kew, London.
Fixed-distance marathon
Current page explicitly announces 12 September 2027 and says early-bird entries are live. Some heading text still refers to 13 September 2026. Start is by the Orangery inside Kew Gardens; route follows riverside paths and returns to Old Deer Park. Certified course; no numerical full distance has been invented.
Official full-marathon classification. Current page explicitly announces 12 September 2027 and says early-bird entries are live. Some heading text still refers to 13 September 2026. Start is by the Orangery inside Kew Gardens; route follows riverside paths and returns to Old Deer Park. Certified course; no numerical full distance has been invented.
Approximate race area. Check the organiser’s website for the exact start and race-day directions.
Details & source checks
Start: Kew, London
Current page explicitly announces 12 September 2027 and says early-bird entries are live. Some heading text still refers to 13 September 2026. Start is by the Orangery inside Kew Gardens; route follows riverside paths and returns to Old Deer Park. Certified course; no numerical full distance has been invented. Generic entry controls do not establish entry availability.
Sources checked 14 September 2026. Entry availability can change; check with the organiser.
Map location: approximate race area. Approximate event locality: centroid of the organiser-published event postcode. This is not a verified start-line point. Official event-location evidence: https://run-fest.com/events/richmond-marathon/ Location source (opens in a new tab)
Saturday, 23 Oct 2027 · Entries open
Battersea Park Running Festival Marathon
Battersea Park, London · London, England
Surface: Road
Organised by RunThrough
- Published distance
- Marathon
A road marathon from Battersea Park, London.
Lapped marathon
The current organiser explicitly lists this individual marathon option. The linked 2027 organiser page confirms Saturday 23 October and separately available half-marathon and marathon tickets. The completed 2026 event is retained as history.
Approximate race area. Check the organiser’s website for the exact start and race-day directions.
Details & source checks
Field-scoped check 2026-11-06: The dated organiser entry table offers this distance at £45 plus the explicitly stated 5% booking fee; the stored total is £47.25, excluding optional extras. Other facts retain earlier verification dates.
Sources checked 28 October 2026. Entry availability can change; check with the organiser.
Map location: approximate race area. Approximate event locality: centroid of the organiser-published event postcode. This is not a verified start-line point. Official event-location evidence: https://www.runthrough.co.uk/event/battersea-park-running-festival-october-2026 Location source (opens in a new tab)
This is a researched London collection, with coverage gaps recorded for review. It does not claim to include every marathon. Distances follow the organiser’s published wording, including approximate trail-marathon distances.
