Cambridge
Trail Running Calendar near Cambridge 2026-2027
Explore the top trail runs near Cambridge for 2026-2027! We've gathered 76 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
September 2026
A marathon and half-marathon along the Ouse Valley Way in Huntingdonshire on 20 September 2026, finishing at Earith on mostly flat grass, gravel and tarmac paths. The races are registered with the Trail Running Association and insured under England A..
A guided 10k run at High Lodge in Thetford Forest that combines trail running with local forest facts and practical tips. It is led at a conversational pace in ability groups, with mostly flat terrain and a couple of small hills.
Rural chip timed 10k and 3k near Grantchester supporting Maggie’s and Addenbrooke’s Charitable Trust with medals, trophies and on site health services.
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 guided 16k trail run at High Lodge in Thetford Forest led at a conversational pace with route guidance, trail running tips and an optional cool down. Terrain is mostly flat with a couple of small hills and parking costs £3.
Trail races from Marlow Park at Grafham Water offering 10k and half marathon routes on marked countryside trails with water stations, medals and prizes.
A circular 13.1 mile trail race through Thetford Forest on mixed hard packed trails with wildlife, cupless water refill points, finisher medals and trophies for top three men and women.
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 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..
Ely Tri Club Runfest on 18 October 2026 offers multiple distances from 10 km to a 66 km ultra. Routes are mostly flat and traffic free with course maps, on-course food and drink, and a few obstacles such as steps and stiles.
A 30 mile out and back ultra along the River Stort and Lee navigations on the Hertfordshire Essex border, mostly flat grassy and gravel trail with checkpoints every 5 miles, electronic timing, medals for finishers and trophies for top three men and w..
A guided 10 km trail run through High Lodge in Thetford Forest, led at a conversational pace with group placement by ability. Mostly flat mixed terrain with a couple of small hills and practical tips on trail running.
An evening timed run at Riverside Park in St Neots on Halloween offering laps of a 5.3 km out and back course. Head torches are compulsory and all participants receive a finishers medal, with distances from one lap to ultra.
November 2026
Country routes from Barton-le-Clay with 12 miles for walkers only plus 18 and 26 mile courses, checkpoints, refreshments and map navigation.
A lap-based timed run at Grafham Water as part of Phoenix Running's Elements Series. Laps are 5.3 km on mainly tarmac paths with distance options from 5 km to ultra and finisher medals for participants.
A guided 16k trail run at High Lodge in Thetford Forest on 15 November 2026. Runs are led at a conversational pace with group placement, varied woodland terrain, and basic kit and parking information provided.