Dunstable Downs
Trail Running Calendar near Dunstable Downs 2026-2027
Explore the top trail runs near Dunstable Downs for 2026-2027! We've gathered 128 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
September 2026
Three evening trail time trials in the Chilterns on 23 Sep, 21 Oct and 25 Nov 2026, each around 8 km, marked and chip timed with mandatory head torch.
A Henley basecamp trail event with looped options of 50 km, 25 km and 10 km, covered rest stops, GPS tracking, medical support, camping and finish-line hospitality.
A Backyard Ultra in Welwyn Garden City where runners repeat a 4.167 mile loop each hour until one remains; entry includes drink vouchers and a commemorative pint glass.
Trail run in Bisham, Marlow on 27 September 2026 with Half Marathon, 10k and 1k routes along the Thames and through woodland.
Timed multi lap event at Regatta Meadow in St Neots on a 5.3 km out and back course, offering distances from 5 km to ultra. Participants decide how many laps to run and all receive a finishers' medal.
October 2026
A backyard ultra at Turvey House where runners complete a 4.167 mile (6.7 km) loop each hour; failing to start a loop on the hour means elimination. Entries include solo, paired teams alternating loops, and an 8 hour day cap.
Trail half marathon in the Chiltern Hills covering about 13 miles with grouped pacing, run leaders, a refreshment point, on site parking and a finisher medal.
An all-surface 25 km loop from Leyton with run leaders, a midway energy stop and post-run kit and community space at Portal HQ.
A 10 km undulating multi-terrain race from Buckingham Town Centre through Stowe National Trust gardens and countryside, with medals for finishers and local charities supported.
A scenic approximate 15 km trail race around Tring and the Ashridge Estate with marshals, water stations, team prizes and a finisher snood.
Timed, lapped run at Old Warden on 16 October 2026 with flexible start times, distances from one 3.28 mile lap to ultras and a seven hour limit.
A guided 10 miles through the Chilterns along canals, reservoirs and past Britain’s oldest post windmill, with trail instruction and a finisher’s medal included.
An off road cross country race of about 6 miles across Manor House Farm in Hardwick village with varied terrain and water crossings. Entries are limited to 300 runners and a minimum age of 17 applies.
A lap-based timed charity run in St Neots on a 5.3 km out and back course, held in partnership with a local school and the charity KiSS. Multiple distance options are available and Phoenix Running will donate five pounds from each entry to support Ki..