Half marathons in the East of England

Start: Wimbish

The opened organiser page confirms 7 November 2026 and a half marathon on the concrete airfield at Carver Barracks, Debden Airfield, Water Lane, Wimbish. This ATW Essex event is distinct from Circuit Running's Lincoln Remembrance Run. A generic Enter Now button alone does not verify live entry availability.

Sources checked 14 September 2026. Entry availability can change; check with the organiser.

Event venue: approximate postcode area. Current organiser event location gives Debden Airfield, Carver Barracks, Water Lane, Wimbish, Saffron Walden CB10 2YA. 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)

• Official source 1 (opens in a new tab)
• Official source 2 (opens in a new tab)

Start: Leighton Buzzard

The official half is 13.1 miles on 7 November 2026 from Leighton Buzzard, following canal towpath and Greensand Ridge. The shorter 2026 metric half is excluded separately.

Sources checked 14 September 2026. Entry availability can change; check with the organiser.

Race area: approximate race area. Existing saved event-to-place evidence reused; geography query derived from 'Leighton Buzzard'. GeoNames exact settlement/suburb name match for 'Leighton Buzzard', country England, administrative area Central Bedfordshire, region East of England; population 42727 (zero means unspecified). Representative event-area point, not a venue address, exact start or radius guarantee. Directional catalogue locations use the first disclosed event locality only as EVENT_AREA; other route endpoints are not substituted. Geographic lookup does not reverify dates or non-location facts. GeoNames (https://www.geonames.org/), CC BY 4.0; transformed to event-area coordinates with separate event-source evidence. Location source (opens in a new tab)

Geographic location source 1 (opens in a new tab)

• Official source 1 (opens in a new tab)

Start: St Neots

Opened event and club pages agree on 15 November 2026, resolving a stale 22 November search snippet. The 13.1-mile event starts on Cromwell Road.

Sources checked 14 September 2026. Entry availability can change; check with the organiser.

Race area: approximate race area. Existing saved event-to-place evidence reused; geography query derived from 'St Neots'. GeoNames exact settlement/suburb name match for 'St Neots', country England, administrative area Cambridgeshire, region East of England; population 30811 (zero means unspecified). Representative event-area point, not a venue address, exact start or radius guarantee. Directional catalogue locations use the first disclosed event locality only as EVENT_AREA; other route endpoints are not substituted. Geographic lookup does not reverify dates or non-location facts. GeoNames (https://www.geonames.org/), CC BY 4.0; transformed to event-area coordinates with separate event-source evidence. Location source (opens in a new tab)

Geographic location source 1 (opens in a new tab)

• Official source 1 (opens in a new tab)
• Official source 2 (opens in a new tab)

Series: Phoenix Running Bedfordshire

Start: Bedford

Official event page gives the date, venue and an explicitly offered half within a timed lap challenge. The published loop is 5.3 km / 3.28 miles; no half distance is calculated from rounded loop values. Seven-hour format over woodland trails and paved parkland.

Sources checked 14 September 2026. Entry availability can change; check with the organiser.

Event venue: approximate postcode area. Specific current event header identifies Mowsbury Park and postcode. 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)

• Official source 1 (opens in a new tab)

Series: Zig Zag Running

Start: High Lodge, Thetford Forest

The official 13 December 2026 page explicitly lists Half Marathon separately from Heavy Half within a six-hour forest-loop challenge. Whole-half length is not separately published or calculated from rounded loops.

Sources checked 14 September 2026. Entry availability can change; check with the organiser.

Event venue: approximate postcode area. Separate event Location block confirms High Lodge postcode. 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. Additional independently reviewed evidence: Saved individual current edition explicitly names High Lodge, Thetford Forest. Official Forestry England owner confirms the High Lodge public venue address IP27 0AF. Venue identity is shared, but no exact common start line is inferred. Event-to-place source evidence is preserved from completed catalogue research with its original check time; no claim of newly rechecking the event page. Public owner venue address checked by location research on 2026-09-14. Suffolk/Norfolk historical boundary labels retained in original catalogue; same exact named visitor venue confirmed. 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)

• Official source 1 (opens in a new tab)

Start: Stevenage

Winter and Spring editions explicitly share Ridlins Stadium start and 21.1k tarmac half route; one course family.

Sources checked 14 September 2026. Entry availability can change; check with the organiser.

• Official source 1 (opens in a new tab)
• Official source 2 (opens in a new tab)

Start: Stowmarket

Official page confirms 13 December 2026 and 13.1 miles, including woodland, meadows and quiet lanes. New start/finish is Stowmarket Football Club, Greens Meadow, Bury Road.

Sources checked 14 September 2026. Entry availability can change; check with the organiser.

Race area: approximate race area. Existing saved event-to-place evidence reused; geography query derived from 'Stowmarket'. GeoNames exact settlement/suburb name match for 'Stowmarket', country England, administrative area Suffolk, region East of England; population 21028 (zero means unspecified). Representative event-area point, not a venue address, exact start or radius guarantee. Directional catalogue locations use the first disclosed event locality only as EVENT_AREA; other route endpoints are not substituted. Geographic lookup does not reverify dates or non-location facts. GeoNames (https://www.geonames.org/), CC BY 4.0; transformed to event-area coordinates with separate event-source evidence. Location source (opens in a new tab)

Geographic location source 1 (opens in a new tab)

• Official source 1 (opens in a new tab)

Series: Phoenix Running Cambridgeshire

Start: St Neots

Official event page gives the date, venue and an explicitly offered half within a timed lap challenge. The published loop is 5.3 km / 3.28 miles; no half distance is calculated from rounded loop values. Paths and grass at Regatta Meadow, St Neots; page's six/seven-hour wording is not used to invent a precise cutoff.

Sources checked 14 September 2026. Entry availability can change; check with the organiser.

Race area: approximate race area. Existing saved event-to-place evidence reused; geography query derived from 'St Neots'. GeoNames exact settlement/suburb name match for 'St Neots', country England, administrative area Cambridgeshire, region East of England; population 30811 (zero means unspecified). Representative event-area point, not a venue address, exact start or radius guarantee. Directional catalogue locations use the first disclosed event locality only as EVENT_AREA; other route endpoints are not substituted. Geographic lookup does not reverify dates or non-location facts. GeoNames (https://www.geonames.org/), CC BY 4.0; transformed to event-area coordinates with separate event-source evidence. Location source (opens in a new tab)

Geographic location source 1 (opens in a new tab)

• Official source 1 (opens in a new tab)

Series: Phoenix Running Cambridgeshire

Start: Grafham

Official event page gives the date, venue and an explicitly offered half within a timed lap challenge. The published loop is 5.3 km / 3.28 miles; no half distance is calculated from rounded loop values. Six-hour format on tarmac cycle paths and gravel at Grafham Water.

Sources checked 14 September 2026. Entry availability can change; check with the organiser.

Race area: approximate race area. Existing saved event-to-place evidence reused; geography query derived from 'Grafham'. GeoNames exact settlement/suburb name match for 'Grafham', country England, administrative area Cambridgeshire, region East of England; population 0 (zero means unspecified). Representative event-area point, not a venue address, exact start or radius guarantee. Directional catalogue locations use the first disclosed event locality only as EVENT_AREA; other route endpoints are not substituted. Geographic lookup does not reverify dates or non-location facts. GeoNames (https://www.geonames.org/), CC BY 4.0; transformed to event-area coordinates with separate event-source evidence. Location source (opens in a new tab)

Geographic location source 1 (opens in a new tab)

• Official source 1 (opens in a new tab)

Series: Phoenix Running Cambridgeshire

Start: St Neots

Official event page gives the date, venue and an explicitly offered half within a timed lap challenge. The published loop is 5.3 km / 3.28 miles; no half distance is calculated from rounded loop values. Paths and grass at Regatta Meadow, St Neots; page's six/seven-hour wording is not used to invent a precise cutoff.

Sources checked 14 September 2026. Entry availability can change; check with the organiser.

Race area: approximate race area. Existing saved event-to-place evidence reused; geography query derived from 'St Neots'. GeoNames exact settlement/suburb name match for 'St Neots', country England, administrative area Cambridgeshire, region East of England; population 30811 (zero means unspecified). Representative event-area point, not a venue address, exact start or radius guarantee. Directional catalogue locations use the first disclosed event locality only as EVENT_AREA; other route endpoints are not substituted. Geographic lookup does not reverify dates or non-location facts. GeoNames (https://www.geonames.org/), CC BY 4.0; transformed to event-area coordinates with separate event-source evidence. Location source (opens in a new tab)

Geographic location source 1 (opens in a new tab)

• Official source 1 (opens in a new tab)

Series: Zig Zag Running

Start: Barrow

The official half is one Windmill Route loop of 21.1 km / 13.1 miles on 16 January 2027, starting at Suffolk Running Centre.

Sources checked 14 September 2026. Entry availability can change; check with the organiser.

Race area: approximate race area. Reused existing evidenced geographic point for exactly the same named event venue/locality and country. Separate saved event-to-place evidence retained; no shared exact start inferred. Conflicting reusable points excluded; unrelated town-only event postcodes excluded. Original geographic verification timestamp retained separately; non-location race facts not reverified. Reused geographic point originally checked 2026-09-14T11:23:33.652Z. Location source (opens in a new tab)

Geographic location source 1 (opens in a new tab)

• Official source 1 (opens in a new tab)

Series: Zig Zag Running

Start: Bawsey

The official 23 January 2027 page lists Half Marathon as a recognised distance within a six-hour challenge at Bawsey Country Park, using sand, gravel and grass.

Sources checked 14 September 2026. Entry availability can change; check with the organiser.

Race area: approximate race area. Reused existing evidenced geographic point for exactly the same named event venue/locality and country. Separate saved event-to-place evidence retained; no shared exact start inferred. Conflicting reusable points excluded; unrelated town-only event postcodes excluded. Original geographic verification timestamp retained separately; non-location race facts not reverified. Reused geographic point originally checked 2026-09-14T11:23:49.443Z. Location source (opens in a new tab)

Geographic location source 1 (opens in a new tab)

• Official source 1 (opens in a new tab)

Series: Running Tribe Sarratt Course 9

Start: Sarratt

The named official race page confirms the date and Course 9 at Sarratt, and explicitly labels 3 laps / 22.8 km as Half Marathon. This is an organiser-recognised completion distance above the standard 21.0975 km; the published numeric distance is retained.

Sources checked 14 September 2026. Entry availability can change; check with the organiser.

Race area: approximate race area. Existing saved event-to-place evidence reused; geography query derived from 'Sarratt'. GeoNames exact settlement/suburb name match for 'Sarratt', country England, administrative area Hertfordshire, region East of England; population 1900 (zero means unspecified). Representative event-area point, not a venue address, exact start or radius guarantee. Directional catalogue locations use the first disclosed event locality only as EVENT_AREA; other route endpoints are not substituted. Geographic lookup does not reverify dates or non-location facts. GeoNames (https://www.geonames.org/), CC BY 4.0; transformed to event-area coordinates with separate event-source evidence. Location source (opens in a new tab)

Geographic location source 1 (opens in a new tab)

• Official source 1 (opens in a new tab)
• Official source 2 (opens in a new tab)
• Official source 3 (opens in a new tab)

Series: Phoenix Running Cambridgeshire

Start: Grafham

Official event page gives the date, venue and an explicitly offered half within a timed lap challenge. The published loop is 5.3 km / 3.28 miles; no half distance is calculated from rounded loop values. Six-hour format on tarmac cycle paths and gravel at Grafham Water.

Sources checked 14 September 2026. Entry availability can change; check with the organiser.

Race area: approximate race area. Existing saved event-to-place evidence reused; geography query derived from 'Grafham'. GeoNames exact settlement/suburb name match for 'Grafham', country England, administrative area Cambridgeshire, region East of England; population 0 (zero means unspecified). Representative event-area point, not a venue address, exact start or radius guarantee. Directional catalogue locations use the first disclosed event locality only as EVENT_AREA; other route endpoints are not substituted. Geographic lookup does not reverify dates or non-location facts. GeoNames (https://www.geonames.org/), CC BY 4.0; transformed to event-area coordinates with separate event-source evidence. Location source (opens in a new tab)

Geographic location source 1 (opens in a new tab)

• Official source 1 (opens in a new tab)

Series: Running Tribe Sarratt Course 9

Start: Sarratt

The named official race page confirms the date and Course 9 at Sarratt, and explicitly labels 3 laps / 22.8 km as Half Marathon. This is an organiser-recognised completion distance above the standard 21.0975 km; the published numeric distance is retained.

Sources checked 14 September 2026. Entry availability can change; check with the organiser.

Race area: approximate race area. Existing saved event-to-place evidence reused; geography query derived from 'Sarratt'. GeoNames exact settlement/suburb name match for 'Sarratt', country England, administrative area Hertfordshire, region East of England; population 1900 (zero means unspecified). Representative event-area point, not a venue address, exact start or radius guarantee. Directional catalogue locations use the first disclosed event locality only as EVENT_AREA; other route endpoints are not substituted. Geographic lookup does not reverify dates or non-location facts. GeoNames (https://www.geonames.org/), CC BY 4.0; transformed to event-area coordinates with separate event-source evidence. Location source (opens in a new tab)

Geographic location source 1 (opens in a new tab)

• Official source 1 (opens in a new tab)
• Official source 2 (opens in a new tab)
• Official source 3 (opens in a new tab)

Start: Watford

Half-specific closed-road route starts Cassiobury Park; 10k trail surface not copied.

Sources checked 14 September 2026. Entry availability can change; check with the organiser.

Race area: approximate postcode area. Current half-inclusive event header and Location agree on Cassiobury Park Avenue; no exact start line inferred. 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)

• Official source 1 (opens in a new tab)

Start: Near Great Bentley Village Hall, CO7 8LD

Official club confirms 7 February 2027, entries open 17 October at midday: NOT_OPEN on 28 September. UKA measured 13.1-mile race near Great Bentley Village Hall. £35 standard/£33 affiliated, maximum750. Only the edition facts explicitly recorded here have been confirmed. Prior-edition price, route, elevation, capacity, cutoff and entry status have not been inherited.

Sources checked 28 September 2026. Entry availability can change; check with the organiser.

Race area: approximate race area. Existing saved event-to-place evidence reused; geography query derived from 'Great Bentley'. GeoNames exact settlement/suburb name match for 'Great Bentley', country England, administrative area Essex, region East of England; population 1545 (zero means unspecified). Representative event-area point, not a venue address, exact start or radius guarantee. Directional catalogue locations use the first disclosed event locality only as EVENT_AREA; other route endpoints are not substituted. Geographic lookup does not reverify dates or non-location facts. GeoNames (https://www.geonames.org/), CC BY 4.0; transformed to event-area coordinates with separate event-source evidence. Location source (opens in a new tab)

Geographic location source 1 (opens in a new tab)

• Official source 1 (opens in a new tab)

Series: Phoenix Running Cambridgeshire

Start: St Neots

Official event page gives the date, venue and an explicitly offered half within a timed lap challenge. The published loop is 5.3 km / 3.28 miles; no half distance is calculated from rounded loop values. Paths and grass at Regatta Meadow, St Neots; page's six/seven-hour wording is not used to invent a precise cutoff.

Sources checked 14 September 2026. Entry availability can change; check with the organiser.

Race area: approximate race area. Existing saved event-to-place evidence reused; geography query derived from 'St Neots'. GeoNames exact settlement/suburb name match for 'St Neots', country England, administrative area Cambridgeshire, region East of England; population 30811 (zero means unspecified). Representative event-area point, not a venue address, exact start or radius guarantee. Directional catalogue locations use the first disclosed event locality only as EVENT_AREA; other route endpoints are not substituted. Geographic lookup does not reverify dates or non-location facts. GeoNames (https://www.geonames.org/), CC BY 4.0; transformed to event-area coordinates with separate event-source evidence. Location source (opens in a new tab)

Geographic location source 1 (opens in a new tab)

• Official source 1 (opens in a new tab)

Start: Bedford

Opened both edition pages; Embankment start; two laps with half-specific extension, tarmac and firm paths. 2026-09-28 — officialEditionUrl: Correct 2027 organiser event page explicitly confirms 21 February 2027; previous edition URL pointed to November 2026. Generic Enter Now does not establish live half-marathon ticket availability. This check covers these facts only; other fields retain their previous verification. 2026-09-28 — officialSourceUrl: Correct 2027 organiser event page explicitly confirms 21 February 2027; previous edition URL pointed to November 2026. Generic Enter Now does not establish live half-marathon ticket availability. This check covers these facts only; other fields retain their previous verification.

Sources checked 14 September 2026. Entry availability can change; check with the organiser.

Event venue: approximate postcode area. Current half-inclusive event header and Location field explicitly identify Russell Park. 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)

• Official source 1 (opens in a new tab)
• Official source 2 (opens in a new tab)

Start: Whitwell

The half-specific page gives 21 February 2027 and a Whitwell and Reepham Railway Station start. The full marathon's Wensum Park, Norwich start is not copied.

Sources checked 14 September 2026. Entry availability can change; check with the organiser.

Race area: approximate race area. Existing saved event-to-place evidence reused; geography query derived from 'Whitwell'. GeoNames exact settlement/suburb name match for 'Whitwell', country England, administrative area Norfolk, region East of England; population 0 (zero means unspecified). Representative event-area point, not a venue address, exact start or radius guarantee. Directional catalogue locations use the first disclosed event locality only as EVENT_AREA; other route endpoints are not substituted. Geographic lookup does not reverify dates or non-location facts. GeoNames (https://www.geonames.org/), CC BY 4.0; transformed to event-area coordinates with separate event-source evidence. Location source (opens in a new tab)

Geographic location source 1 (opens in a new tab)

• Official source 1 (opens in a new tab)

Series: Phoenix Running Cambridgeshire

Start: Grafham

Official event page gives the date, venue and an explicitly offered half within a timed lap challenge. The published loop is 5.3 km / 3.28 miles; no half distance is calculated from rounded loop values. Six-hour format on tarmac cycle paths and gravel at Grafham Water.

Sources checked 14 September 2026. Entry availability can change; check with the organiser.

Race area: approximate race area. Existing saved event-to-place evidence reused; geography query derived from 'Grafham'. GeoNames exact settlement/suburb name match for 'Grafham', country England, administrative area Cambridgeshire, region East of England; population 0 (zero means unspecified). Representative event-area point, not a venue address, exact start or radius guarantee. Directional catalogue locations use the first disclosed event locality only as EVENT_AREA; other route endpoints are not substituted. Geographic lookup does not reverify dates or non-location facts. GeoNames (https://www.geonames.org/), CC BY 4.0; transformed to event-area coordinates with separate event-source evidence. Location source (opens in a new tab)

Geographic location source 1 (opens in a new tab)

• Official source 1 (opens in a new tab)

Series: Zig Zag Running

Start: High Lodge, Thetford Forest

The official 21 February 2027 page explicitly lists Half Marathon alongside the longer heavy half within a six-hour forest-loop event. Whole-half length is not separately published.

Sources checked 14 September 2026. Entry availability can change; check with the organiser.

Event venue: approximate postcode area. Explicit official event Location block names High Lodge postcode. 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. Additional independently reviewed evidence: Saved individual current edition explicitly names High Lodge, Thetford Forest. Official Forestry England owner confirms the High Lodge public venue address IP27 0AF. Venue identity is shared, but no exact common start line is inferred. Event-to-place source evidence is preserved from completed catalogue research with its original check time; no claim of newly rechecking the event page. Public owner venue address checked by location research on 2026-09-14. Suffolk/Norfolk historical boundary labels retained in original catalogue; same exact named visitor venue confirmed. 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)

• Official source 1 (opens in a new tab)

Start: Southwold

Official date; Southwold promenade start. General entries sold out; charity spaces explicitly available. Status SOLD_OUT refers to general entry.

Sources checked 14 September 2026. Entry availability can change; check with the organiser.

Race area: approximate race area. Existing saved event-to-place evidence reused; geography query derived from 'Southwold'. GeoNames exact settlement/suburb name match for 'Southwold', country England, administrative area Suffolk, region East of England; population 3680 (zero means unspecified). Representative event-area point, not a venue address, exact start or radius guarantee. Directional catalogue locations use the first disclosed event locality only as EVENT_AREA; other route endpoints are not substituted. Geographic lookup does not reverify dates or non-location facts. GeoNames (https://www.geonames.org/), CC BY 4.0; transformed to event-area coordinates with separate event-source evidence. Location source (opens in a new tab)

Geographic location source 1 (opens in a new tab)

• Official source 1 (opens in a new tab)

Start: Great Yarmouth

Official date and measured half-marathon option; road closure information.

Sources checked 14 September 2026. Entry availability can change; check with the organiser.

Race area: approximate race area. Existing saved event-to-place evidence reused; geography query derived from 'Great Yarmouth'. GeoNames exact settlement/suburb name match for 'Great Yarmouth', country England, administrative area Norfolk, region East of England; population 63434 (zero means unspecified). Representative event-area point, not a venue address, exact start or radius guarantee. Directional catalogue locations use the first disclosed event locality only as EVENT_AREA; other route endpoints are not substituted. Geographic lookup does not reverify dates or non-location facts. GeoNames (https://www.geonames.org/), CC BY 4.0; transformed to event-area coordinates with separate event-source evidence. Location source (opens in a new tab)

Geographic location source 1 (opens in a new tab)

• Official source 1 (opens in a new tab)