Trail Running calendar near Thetford 2026-2027

A trail event in Felsted on 31 Aug 2026 offering approx 10 miles or 10 km routes with written navigation only and no course markings. Entry includes a sandwich voucher and specific entry and transfer rules apply.

A sunset trail event at Ickworth Park offering 5K and 10K routes across limestone paths, woodland and meadows. The 10K is chip timed, all finishers receive a medal and the event operates as cupless with water refill points.

Mud Tribe in Brentwood is a muddy obstacle run with a 5 km course and a 1.5 km family option. The event features achievable obstacles, water elements without full immersion, finisher medals, hot wash downs and no chip timing.

Women-only obstacle event in Brentwood, Essex featuring a supportive, non-competitive 5 km course for ages 7+. Includes varied obstacles, a finisher medal, hot wash-downs and on-site facilities.

An ultra endurance event in Heartwood Forest where participants cover four mile loops within a 12 hour window, solo or in relays up to eight people. Winners are decided by distance and all finishers receive a medal.

A scenic countryside trail event from Great Ponton through Lincolnshire villages offering four distances, checkpoint refreshments and finish food, organised as a charity challenge with beneficiaries to be confirmed.

An inaugural off road half marathon through Donyland Woods, Friday Woods and nearby countryside on Sunday 6th September. Entries were handled online and the event is listed as sold out with 26 entrants.

A measured, mostly off road 10 km on the Flitch Way with chip timing, kilometre markers and finisher T shirt and medal. The event raises funds for the Village Hall and includes a one mile family fun run.

A mostly off road 10 km trail run at Trifarm on 09 Sep 2026, the second race in a four event series. The clockwise loop uses public footpaths and bridleways and includes on site parking, a finish water tap and championship points.

On 12 September 2026 a 50 km ultra follows the Boudicca Way from Diss to Norwich, passing historic Iceni and Roman sites. The route is waymarked, the start is close to Diss train station and the event is limited to 250 places.

A multi-distance trek and trail event along the Thames from Putney Bridge to Henley on 12/13 Sept 2026, offering 100 km to 10 km options with regular rest stops, catering, medical support and GPS tracking.

A point to point *50K* ultra along the Suffolk coast from Lowestoft to Aldeburgh, fully marked and carrying a 9 hour time limit. The route passes Southwold, Dunwich Heath, RSPB Minsmere, Sizewell and Thorpeness with staffed aid stations.

A Backyard Ultra at High Lodge, Thetford Forest where runners complete a *4 miles 880 feet* loop every hour; full, 12 hour and 6 hour entry options are available, with camping, basic aid station and chip timing.

A charity ultramarathon along the Essex riverside on 12 September 2026, offering 10, 30 and 50 mile routes with marked trails, medical cover and checkpoints. Proceeds support Prostate Cancer UK.

A series of fully marked, fully supported trail and ultra events in the UK that focus on a welcoming, inclusive atmosphere with generous cut-offs and runnable countryside courses.

An 81 mile single loop ultra on the Bunyan Way in Bedfordshire with a 24 hour cutoff, 1,219 metres of climb and seven aid stations. The runnable country route features live tracking, medical cover and a bespoke finisher medal and T shirt.

A 10 km trail race in Sandridge, St Albans on 13 September 2026, starting and finishing at Sandridge Primary School playing field. Organizers publish route information and FAQs, and the event is supported by Sandridge Parish Council.

TrailFest at Holdenby House offers four traffic free trail distances inside a private estate, with routes on farm tracks, field edges and through a small wood, plus rolling hills and open countryside views.

An off-road, timed 5K and 10K in the Essex countryside with a fully marshalled footpath route, village-hall finish, and fundraising support for the local Scout Group and tree-planting.

A looped trail event in Hitchin on a 5 km course where participants have seven hours to complete as many laps as they wish. The weekend includes a Mini Mile for children, an event village, aid station, medals and post event massage.