Trail Running calendar near Grafham Water 2026-2027

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.

A mixed terrain trail along the Thames at Remenham Farm in Henley on Thames offering a half marathon, 10K and a junior race, with chip timed results, a themed medal and free race photos.

A Backyard Ultra at Hardwick Hall Estate where runners repeat a 4.16 mile loop every hour until only one remains. The route crosses estate trails, farmland and woodland with on site aid and first aid support.

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.

Choose a half marathon or full marathon along a flat, scenic riverside towpath from Walton on Thames to Hampton Court and back, run in laps for easy pacing. Limited places and medals for all finishers plus a giveaway for every entrant.

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.

A 12-hour looped run at Bloor Homes Southern Regional Office in Newbury where participants complete 3.5 km loops to earn a bespoke medal, with prizes for most loops. The event supports New Life Special Care Babies, is limited to 100 entrant..

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.

Half marathon and 10k at Wimbledon Common on 6 September 2026, with marked trails, marshals and a 3.5 hour cutoff. An event village offers food, drink and finish line goodies and the event supports the Beder charity.

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 10 km race through the private grounds of Loseley Park in Guildford on September 6 2026, featuring timed results, bespoke finisher medals and official on-course photography.

A countryside off road 10k along the Flitch Way with chip timing, water stations and finisher T shirt and medal. The event raises funds for Takeley Silver Jubilee Hall and includes a one mile family fun run.

Guided 10 km trail run around Silent Pool near Guildford, following parts of the North Downs Way and Netley Heath forest. Sessions run at dusk or at night with headtorches in a led group and a recommended pace of about 10 min per mile.

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.

A timed, lap-based Friday run along the Thames with flexible rock up and run starts; the £10 affiliated entry is donated to Rays of Sunshine and participants receive a double-sided charity medal.

A **100 mile** ultra on runnable trails through Sherwood Forest and towpaths, with two forest loops, well stocked aid stations, a 30 hour cutoff, drop bag points and pacers allowed from about mile 51.

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 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.