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Trail Running Calendar near Dunstable Downs 2026-2027

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Explore the top trail runs near Dunstable Downs for 2026-2027! We've gathered 150 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

November 2026
Multi terrain 5K and 10K trail races in Radnage, Chiltern Hills, raising funds for the village school and including a one mile children's fun run.
A countryside walking event from Barton-le-Clay with three route options over undulating terrain, published route descriptions, checkpoint controls and a waiting list for entries.
A 50.3 km trail ultramarathon from Putteridge Bury across the North Chilterns, fully waymarked with four checkpoints, a 9 hour limit and UTMB Index status.
A riverside trail run from Alexandra Gardens in Windsor with two measured routes, riverside landmarks, chip timing and a finisher medal.
Half day 6 miles 10 km trail run in the Chiltern Hills with a private Tring Brewery tour, tasting and a bottle or a pint included.
A timed, lapped Cakeathon at Mowsbury Park on 22 November 2026 offering flexible starts, a flat 5.3 km lap, distances from 5 km to ultra, and a seven hour limit.
Free 10K trail run through Stowe Gardens on the fourth Sunday of each month, organised by the National Trust; booking is essential and children over 14 may join.
Three evening trail time trials in the Chilterns across Sept, Oct and Nov 2026, each about 8 km with marked routes, chip timing and post race pizza and refreshments.
A loop race at Chalfont St Peter with a 7.57 km circuit, flexible on-the-day distances from 7K to 32 mile ultra, lap aid and a finisher medal.
Half Marathon and 10K in Richmond Park, London on 29 November 2026, run on mixed park trails with chip timing, water stations and a finisher medal.
A chip timed MoRun in Milton Keynes offering 1.5 km, 5 km, 10 km and a half marathon while supporting Movember and men’s health.
Community fundraising run on 29 November 2026 at The Forest Centre Marston Moretaine with an untimed 5 km and a 200 m Dasher Dash for children supporting Mind BLMK.
A 26.3 mile five lap trail and road event around the Colworth Estate in Bedfordshire for individuals or teams with on-course checkpoints and basic facilities.
Watlington XC 10k is a 10 km cross country fell run over the Ridgeway and Chiltern Hills for runners aged 16 and over, with pre-registration required and no entries on the day.
December 2026
A charity trail event near Aldbury with a guided 8 km run and a family friendly 4 km walk, mince pies included and all profits to the Hospice of St Francis.
End of season 10 km trail championship at Wendover Woods on 6 December 2026, open to Runaway Racing qualified runners with a fully marked 295m elevation route.
Festive 5K fun run in Marble Hill Park on 6 December 2026 supporting Richmond Borough Mind, with fancy dress, dog entries and eco-friendly finisher medals.
A community Santa themed walk, jog or run in Seer Green with short, 3 km and 5 km route options plus refreshments and charity fundraising.
Essex Vets XC Championships in Epping Forest on 12 December 2026 features a single 8km course with veteran races and an £8 entry fee.
Forest trail races at Salcey Forest on 13 December 2026 offering 10 km, 5 km and a 1.2 km junior run, with medals, prizes and fundraising for Shelter.
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