Trail Running calendar near King's Lynn 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 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 on 24 Sep 2026 near Mill Green in Ingatestone. Small capacity event for over 18s with a regular anti clockwise route and compulsory phones and headtorches.

A Backyard Ultra near Welwyn Garden City with runners repeating a 4.167 mile loop each hour until one runner finishes alone. The event runs across day and night with pub facilities, spectator access and on site marquee space.

A 12 miles trail race introduced in 2026 at National Trust Clumber Park, fully marshalled with water stations and a three hour cut off. Finishers receive a medal and refreshments and top three men and women earn trophies.

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 27 Sept 2026 using a 5.3 km out-and-back loop on mixed surfaces. Parking and a base-camp aid station are provided; the event is cupless and all finishers receive a bespoke medal.

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 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 fundraising hike or run on 27 September from Beacon Hill Country Park, covering about 16 miles and summiting Beacon Hill, Bardon Hill and Old John in Bradgate Park. Proceeds provide essential items for local people in need.

A 25 km trail race in Bell Common, Epping organised by London based Camino Ultra. The event is scheduled for 3 October 2026 at CM16 4EA in the UK.

A tenth anniversary five mile chip timed cross country and Canicross race across the Upper Wreake valley with varied terrain and countryside views. Limited to 200 entrants, entries close on 30 September 2026.

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 50 mile coastal ultramarathon along the Essex saltmarshes, starting at South Woodham Ferrers Rugby Club and finishing at Maldon Promenade Park. Fully supported with aid stations, GPX route files, a shuttle option and a 15 hour cut off.

Off-road runners and walkers follow a route of approximately 10 miles through Charnwood countryside on 4 October 2026, with a 1 mile junior fun run. Entry fees vary by date and the event provides water, refreshments, bag storage and first a..

A six hour multi-lap off road event at Sence Valley Forest Park where participants complete 3.3 mile laps at their own pace, with canicross allowed and options for a medal or tree token.

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.

Endurancelife's Suffolk event in Dunwich on 10 Oct 2026 offers 10K, half marathon, marathon and ultra trail options across forest, moorland, grass and beach and counts toward the Season Leaderboard.