Trail Running calendar near Writtle 2026-2027

A ten leg team relay along The Ridgeway, one of England's National Trails covering 86.5 miles. The off road, hilly route finishes in Marlborough and teams compete for the shortest total time with rules on leg composition.

A guided 10K group trail run at High Lodge in Thetford Forest, led at a conversational pace and aimed at runners moving from road to trails. The event includes mostly flat woodland paths, a two hour allowance, parking charge of £4 and a £12..

A 5k obstacle event on Blackheath Common on 28 June 2026 where participants climb, crawl and slide around a mainly grassy, gently undulating route. The event supports fundraising for cancer research and requires participants aged 13 or olde..

Experience a guided 10km trail run through the spectacular natural amphitheatre of the Devil's Punchbowl. This social group run features beautiful Surrey hills and is available as both a sunset and a headtorch night edition.

Follow the 82 mile Essex Way trail from Epping tube station to the historic high lighthouse in Harwich. This ultra marathon features mixed terrain and 3,469 feet of elevation with full GPS tracking and five checkpoints.

A timed charity run along the Thames with lap options from 5.3 km up to ultra distances. The Run for a Tenner entry donates £10 to Rays of Sunshine and all finishers receive a bespoke medal.

Trail running event in the South Downs near Petersfield offering five distances from 10 km to 100 km, coach transport to starts, camping, food and a licensed bar at the venue.

Choose your own challenge at the Summer Sun Run, a flexible lap event set in the scenic Denbies Wine Estate. Complete as many 5.3 km laps as you like within 7 hours, with a large medal for all finishers. Enjoy a flexible start window and a..

Forest Five Series Race 2 is a one mile forest race on 04 July 2026, part of a three race series started in 2009 to fund the Orion Harriers clubhouse. The event includes age category and team trophies.

A Pretty Muddy 5k obstacle course at Kempton Park Racecourse on 04 Jul 2026 where participants aged 13 and over climb, crawl and slide for a minimum fundraising target of £50. Wave starts run every 15 minutes and on site facilities include..

Pretty Muddy at Mote Park on 4 July 2026 is a 5k mud obstacle course featuring climbs, crawls and slides around the lake. Participants must be 13 or older; entry fees and a minimum fundraising target apply. Facilities include toilets, refre..

Experience a chip timed multi terrain race through the picturesque country roads and bridleways of Willingham. Choose between 10km and 4 mile routes followed by fun races for children at the local recreation ground.

A 21.1 km off road half marathon along The Ridgeway in Buckinghamshire between Wendover and Princes Risborough. The hilly, fully marked course has two on route aid stations, a 4 hour time limit and a 350 runner field on 5 July 2026.

Community road races of 10 km, 5 km and a 1 km youth race at Jobbers Wood near Much Hadham on 5 July 2026. Organised by The Bishop's Stortford High School as a fundraiser with chip timing, finisher T shirts and age group trophies.

Two trail races around Bewl Water in East Sussex: a 15 mile route that includes the nature reserve and a 5 mile off road option. Organised by Wadhurst Runners, finishers receive a medal, t shirt, cake and beer.

A women only trail event at Denbies Wine Estate in Surrey on 5 July 2026 offering 50K, 25K, 10K and a kids race. No cut offs and options for in person or virtual participation, with profits supporting the SheRACES mission.

A six hour endurance run on a scenic 5k loop at Marston Lodge in Marston Trussell. Fully chip timed with solo, pair, and team entry options so runners complete as many laps as they can in six hours.

Ware Festival of Running on Sunday 5 July 2026 features a 10 mile, a 10k and children's races along the River Lee Navigation. All proceeds support the Essex and Herts Air Ambulance.

Pretty Muddy Stevenage is a 5k obstacle course at Fairlands Valley Park on 5 July 2026, mixing paved paths and grass. Participants aged 13 and over fundraise for cancer research, receive support and a medal on completion.

A guided 10 km group trail run across the 325-hectare Thursley National Nature Reserve in Surrey, on largely flat heathland and a boardwalk. Entry is £16 per person and parking is available.