Trail Running calendar near Herstmonceux 2026-2027

A women only muddy obstacle course in Brentwood, Essex covering 5 km with varied obstacles, wash facilities, a finisher medal and an inclusive, non competitive format.

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.

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 scenic 10K through the private grounds of Loseley Park in Surrey on 6 September 2026, with timed results, finisher medals and official photography.

Scenic Takeley 10 km road race on 6 September 2026 with a one mile children's fun run, chip timing, finishers' medal and technical t-shirt.

Community led 10 km trail at Dummer Down Farm with chip timing, post run food and brewery drinks, a race village and a donation to Mind.

Trail half marathon and 10 km at Lullingstone Country Park on 6 Sep 2026 with two loops, water station, marshals and a finisher medal.

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.

Evening 10 km trail run at Trifarm on mostly off road public footpaths and bridleways, part of a four race 2026 series with GPX route and on site parking.

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 km team endurance trek across the South Downs in September 2026, combining checkpoints, support crews and fundraising for The Gurkha Welfare Trust.

A biannual trail race around Bewl Water in Kent offering 10 km, half marathon, marathon and 50 km ultra routes with extensive lakeside trail and lane sections.

A multi-distance walk, jog and run along the River Thames from Putney Bridge to Henley in September 2026 and 2027. Distances span **10 km** to **100 km** with rest stops, catering, medical support and GPS tracking via an event app.

The Trail Côte d'Opale en Pas de Calais will take place in Wimereux from Saturday 12 September 2026 to Sunday 13 September 2026. You can run between 10 and 110 kilometers.

Three fell races around Ventnor on the Isle of Wight offer routes from 3.8 km to 21 km with notable ascent. The series follows FRA rules, has entry limits and also serves as the SEAA Fell Running Championships.

Trail running in the Surrey Hills with 10k, 21k and 42k routes on chip timed, well marked courses, aid stations and finisher medals. Starts and finishes at Shere Recreation Ground with free parking and an event village.

Ventnor Horseshoe on Sat 12 Sep 2026 offers a scenic but testing 12 km fell course around Ventnor with 443 m of climb. Part of the Isle of Wight Fell Series, it is perfect for runners seeking a tough coastal hill challenge.

Start the IOW Fell Running Series with St Boniface Fell in Ventnor on Sat 12 Sep 2026, a punchy 3.9 km race with 235 m of climbing across scenic Isle of Wight terrain. Pre entry or on the day entries welcome.

A charity ultramarathon along the Thames from Upminster to Southend offering 10, 30 and 50 mile routes on mainly tarmac and hard trails. Organised by c2c to raise funds for Prostate Cancer UK with checkpoints and on-course medical support.