Trail Running calendar near Costessey 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..

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.

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.

A mixed-surface trail event on 27 September 2026 along the Wensum Way offering fixed distances from 10 km to ultra, parking included, an aid station at base camp, bespoke finisher medals and a complimentary coffee and cake at the finish.

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.

Two measured runs through farmland beside Grantchester near Cambridge, with chip timing and medals for all finishers. The event supports Maggie's and Addenbrooke's Charitable Trust and includes on site services and team prizes.

Experience a scenic off road run through the fields surrounding Manuden with distances of 10k, 5k, and 1k. Enjoy locally organized routes with course water stations and finisher medals for all participants.

A charity 5 mile off road trail race through Cawston Park in Norfolk, chip timed and marshalled, raising funds for Norfolk Lowland Search and Rescue with on site parking and refreshments.

Multi-terrain 10 km and 5 km runs around Thompson, Norfolk, with bespoke medals for all and trophies for top finishers. Proceeds support the Thompson Millennium Green Charitable Trust.

A coastal ultramarathon along the Essex saltmarsh, this edition covers about 50 miles from South Woodham Ferrers to Maldon Promenade Park. The route is supported with regular aid stations, GPS tracking for each participant and shuttle optio..

Endurancelife's Suffolk event in Dunwich on 10 October 2026 offers 10K, half marathon, marathon and ultra trail distances across flat coastal terrain, with season points awarded for the Endurancelife leaderboard.

Woodland trail races in Epping Forest offering a half marathon and a 10K in October 2026, with marked courses, aid stations, chip timing and eco-friendly measures.

A looped 20 mile trail race on 11 October 2026 that starts and finishes inside the 18th Century Landguard Fort in Felixstowe; the route crosses nature reserves and estuaries and includes aid stations and a six hour cut off.

Trail races around Grafham Water on 11 October 2026 offering 10 km and a half marathon on fully marked countryside routes, with water stations, first aid cover and medals for all finishers.

A single-lap 10K on 11 October 2026 around Burnham on Crouch, featuring sea wall coastal paths and countryside trails. The event is based at Dengie Hundred Sports Centre with free parking, facilities and post-run food and drink.

A circular 13.1 mile trail half marathon at High Lodge in Thetford Forest, featuring mixed forest and hard-packed trails, cupless water stations, manual timing, and a 3.5 hour cut-off; minimum age 17.

An untimed inflatable obstacle run at Royal Norfolk Showground on 17 October 2026 with giant inflatables, music zones and distances of 2.5k, 5k, 10k and 15k. Family and charity entry options are available.

An off-road 10 km through undulating bridle paths and woodland around Westacre, Norfolk, featuring optional obstacles, a ford crossing near the finish, on-site registration, a water point at 5 km, refreshments and a bespoke medal for all en..

A multi-distance running festival in Palace Green, Ely offering way-marked out-and-back courses from 10k to an ultra with aid stations, timed results and a custom event medal. The ultra includes checkpoints and on-course support.

Scenic 30 mile ultra along the River Stort and Lee navigation, run as a 15 mile out and back on mostly grassy trail and graded footpaths. Trophies for the first three men and the first three women and medals for all finishers.