Trail Running calendar near Writtle 2026-2027

BigHeat CampFIRE is a weekend trail festival on 18 and 19 July 2026 near Lurgashall with four single-lap routes across dusty tracks, forests and open plains, plus camping, yoga, a wild sauna and evening live music.

Evening trail running at Wendover Woods on 18 July 2026 supporting the Chilterns Neuro Centre. Options include 10K 5K and an accessible 1.5K loop on fully marked woodland trails.

A 24 hour trail running and camping weekend on the Shotley peninsula with a fully marked 4.3 mile coastal loop, chip timing, camping at race HQ included, medals and vests for finishers, and optional sauna and refreshments.

Experience a unique festival of running at Blackland Farm with 12 and 24 hour solo endurance challenges. Explore a scenic 1 mile off road loop featuring woodland trails and inclusive camping for a complete weekend experience.

MacTuffX Brighton features a unique fitness racing format based on ten intervals of 400m or 800m. Available for individuals, doubles, or relay teams, this event offers a variety of ways to compete in July 2026.

A 5k muddy obstacle course around Tilgate Lake in Crawley with climb, crawl and slide elements. Open to ages 13 and over, it has a minimum fundraising target and provides a medal, fundraising pack and on-site facilities.

A 5k obstacle event at Stoke Park in Guildford on 18 July 2026 where participants climb, crawl and slide around a grass course. The event is for ages 13 and up, includes a fundraising target and provides support materials and a medal.

Trail races at Winwick Hall feature fully marked 10k and 5k courses plus a 2k children’s fun run on mixed terrain with on course support, first aid and water. The event supports the Bruce Green Foundation.

ATW St Albans Summer 10K on 19 July 2026 is a single lap, chip timed 10K around Highfield Park and the Alban Way with a grass finish and mostly traffic free roads. The event village features a free family fun run, cafes, live music and fund..

Trail races of 10 miles and 5 miles on hard packed paths through Ashdown Forest near Pippingford Park Manor, featuring 1568 ft of climbing, notable downhills and views across The Downs, with medals, winner vouchers and free parking.

Set your own distance goal in this 6-hour trail running challenge. Runners complete as many 5K loops as they can on a scenic, 95% off-road course. Every finisher receives a medal.

A hilly multi loop trail event around Holmbury Hill offering a half marathon and a same day 10 mile option, with six drink stations, first aid support, free parking, and a commemorative medal for finishers.

A 5 km obstacle course at Hylands Park on 19 July 2026 where participants climb, crawl and slide across grass and undulating terrain. Entry has a minimum fundraising target and the event is not suitable for wheelchair users.

Day 1 of the Great Barrow Challenge at Suffolk Running Centre offers 5k to ultra distances on flat to undulating trail routes with parking, daily bespoke medals and a cupless water policy.

Enjoy a 10k trail run through Chelmsford featuring a unique brewery checkpoint. This non competitive event includes mid race and finishers drinks along with a commemorative medal for all participants.

Enjoy a flexible seven hour timed challenge along the scenic River Thames in Egham. Run as many laps as you choose to earn themed medals and distance pins on a flat and fully signed course.

A Pretty Muddy 5k obstacle course at Priory Park in Bedford on 25 July 2026 where participants climb, crawl and slide across grass and tarmac. The event requires participants to be 13 or older and includes a minimum fundraising target.

A daytime trail event at Denbies Wine Estate in the Surrey Hills offering marathon, half marathon, 10K with canic races and 1K/2K kids races; the marathon requires self navigation and all checkpoints must be reached.

A guided 10 km trail run at High Lodge in Thetford Forest on 26 July 2026, led at a conversational pace across hard-packed and single-track woodland trails. Parking is charged and trail shoes are recommended.

Flat trail races at Summerleaze Park on 26 July 2026, offering 5K, 10K and a Half Marathon with marked routes, marshals, chip timing and post-race goodies.