Upcoming edition
10 January 2027
- Published distance
- Half Marathon: 21.9 km (2 laps)
Entry status: unknown
half marathon option in a timed challenge
Start: Chalfont Park
Race area · approximate postcode area. Approximate race area. Check the organiser’s website for the exact start and race-day directions.
Location evidence
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 2026-09-14T11:04:26.994Z.
Event/venue postcode: SL9 0QA
Location checked 2026-09-14.
The named official race page confirms the date and Course 1 at Chalfont Park, and explicitly labels 2 laps / 21.9 km as Half Marathon. This is an organiser-recognised completion distance above the standard 21.0975 km; the published numeric distance is retained.
9-hour choose-your-distance event. Official distance table explicitly recognises 2 laps (21.9 km) as the Half Marathon completion; this is not a measured standard-distance half. Official surface is approximately 80% trail and 20% road.
Chalfont Park — 10 January 2027: The named official race page confirms the date and Course 1 at Chalfont Park, and explicitly labels 2 laps / 21.9 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.