Trail Running calendar near Cambridge 2026-2027

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..

Join this flexible timed event along the flat River Thames towpath in Walton on Thames. Complete as many laps as you like over seven hours to achieve distances from 5km to an ultra marathon.

A 10 km trail race from Aylsham along the Marriott's Way to Reepham Market Place, mostly off road on an old railway line. Five start waves space runners and entry fees support local council community services.

A five mile autumn trail run in Mill Green on 24 Sep 2026 with limited entry for over 18s. The event is self sufficient, route is anti-clockwise and a head torch and phone are required.

A 50 km looped trail event from a Henley basecamp through Chilterns countryside, with 25 km and 10 km options. The event offers camping, a Saturday meal, covered rest stops, medical and massage support, GPS tracking and a finishers medal an..

A backyard ultra at The Waggoners in Welwyn Garden City on 26 to 27 September 2026 where runners repeat a 4.167 mile (6.71 km) loop each hour until one runner finishes alone. Entry includes drink vouchers and a commemorative glass.

A timed multi lap event on 26 September 2026 in Walton on Thames combining a flat 5.3 km out and back riverside course with a cake themed aid station, multiple distance options and a seven hour time limit.

Three community races at Harcourt Hill on 26 Sep 2026 from a 10k off road course to a 1k fun run, organised by the 4th Oxford Scout Group with medals, prizes and water stations for participants.

Experience an autumn run through scenic pumpkin fields and farm tracks in Colchester. With 10k, 5k, and 1k distances, this flat off road event features chip timing and a family friendly event village.

Trail running at Billingford Lakes on the Wensum Way with a 5.3 km out-and-back lap, lap-based half and ultra options, on-site aid, included parking, bespoke medals, and a finish coffee and cake.

Run Sandringham on 27 September 2026 features a Half Marathon, 5K and Community Mile around the Sandringham Estate. The event includes chip timing for the Half and 5K, water stations, medical support and on site parking.

A community charity event on Sunday 27 September 2026 near Grantchester offering chip-timed 10k and 3k courses through farmland, medals for all finishers, trophies, and fundraising for Maggie’s and Addenbrooke’s Charitable Trust.

A 10 mile trail race at Eridge Park in Tunbridge Wells featuring steep, narrow climbs, muddy sections and scenic views. Finishers receive a memento and are offered a pint and cake at the finish.

A community running event in Manuden on 27 September 2026 with 10k, 5k and 1k races, on-road starts then off-road bridleways, water stations and medals for finishers. Funds raised support Sands, St Clare Hospice and village organisations.

A functional fitness race in London on 27 September 2026 combining ten prescribed Xercises with running in Solo, Doubles and five-person Relay formats. Entry categories include a LITE weight option and fees vary by category.

A charity hike or run on 27 September 2026 through Charnwood countryside, starting and ending at Beacon Hill Country Park. The approximately 16 mile route visits Beacon Hill, Bardon Hill and Old John while raising funds for local people in..

A multi terrain trail run along the Thames near Marlow offering a Half Marathon, 10k and a 1k Little Sprinters race. The event features chip timing, a finisher medal, on route water stations and an event village with facilities.

A six hour lap-based trail event at Coombe Abbey Park near Coventry, using a 3.3 mile loop through woodland and meadow. Options include a medal or a tree token, rucking is allowed and dogs are not permitted.

A night trail 10k at Coombe Abbey Park on 30 September 2026. The route runs through woodland, meadows and fields and requires a head or chest torch. Petzl may be on site with demo lamps and water is provided in biodegradable cups.

A timed track event in Walton on Thames on 2 October 2026 offering 6, 12 and 24 hour formats with chip timing, 400 m laps and distance options from 5 km up to 100 mile equivalents. The track is limited to 100 runners at once.