Trail Running calendar near Biddlesden 2026-2027

London EcoTrail 25 km is a trail running event in Bell Common, Epping on 03 Oct 2026. It is organised by London based ultramarathon event company Camino Ultra as part of their 2026 events.

Trail running at Queen Elizabeth Country Park with routes from 5 km to 51 km across chalk downs, woodlands and ridgeways and route-specific outposts.

A tenth-anniversary five-mile chip-timed cross country and Canicross event in the Upper Wreake valley with varied countryside terrain and commemorative medals for finishers.

A guided 30 mile trail run from St Martha's Hill exploring the Surrey Hills and Box Hill with an experienced ultra runner and coach. Group pace, recommended 22 miles training, cost £55 and an alcohol free beer may be available.

Inflatable obstacle course event at Kempton Park Racecourse on 3 October 2026 with 2.5K, 5K, 10K and 15K options suitable for ages 5 and up.

Looped 5.64 km event at Hardwick Hall Estate on 3 September 2026 with a six hour lap option and bespoke finisher medals; field limited to 150 runners.

Wild Run Cotswolds showcases rugged off road trails on a private estate with fully marked routes, chip timing and a family friendly supporter zone. Entries are limited to 600; choose 10K, half, marathon or the six hour 360 challenge.

Scenic out and back races along the Thames Path from Petersham & Ham Sea Scouts HQ to Barnes, offered as 10 km, half marathon and marathon options with staffed checkpoints and medical cover.

A traditional cross country race in Dovedale with a 4 3/4 mile main course, a 1 1/4 mile Mini Dash for children, and a river crossing at the Stepping Stones.

Three mapped walking routes from Marlow of 25 km, 40 km and 50 km with checkpoints, time limits, mandatory kit and limited online entry.

A 50 mile coastal ultramarathon along the Essex saltmarshes, starting at South Woodham Ferrers Rugby Club and finishing at Maldon Promenade Park. Fully supported with aid stations, GPX route files, a shuttle option and a 15 hour cut off.

A functional fitness race in Brierley Hill combining ten strength Xercises with repeated 400m or 800m runs, offered for solo, doubles, and relay teams.

A community organised 10 km race at Imberhorne School featuring mixed terrain, marshals, chip timing and a sustainably sourced finisher medal supporting local charities.

Half marathon and 10 km races at RAF Greenham Common in Thatcham, Berkshire. The traffic free, flat course has water stations, free parking and a children's race paid on the day for £5; proceeds support New Life Special Care Babies.

An annual off road marathon from Salisbury to Winchester along the historic Clarendon Way, offering full, half, mini and relay options and organised by local Rotary clubs.

A chip timed 10 km trail race on 4 October 2026 through Somerset countryside, passing a prehistoric long barrow. The event includes a bespoke medal, Race Nation app support, camping nearby and proceeds shared with two charities.

An off-road runners and walkers event on an approximately 10 mile Charnwood countryside route with water stops, refreshments and separate junior options on 4 October 2026.

A guided 16k trail run at High Lodge in Thetford Forest led at a conversational pace with route guidance, trail running tips and an optional cool down. Terrain is mostly flat with a couple of small hills and parking costs £3.

A beginner friendly off road 10 km along the River Wye from Ross on Wye with nearby facilities, parking and a bespoke finisher medal; postponed until 4 October 2026.

Lap-based timed run at Tilgate Park, Crawley offering distances from 5 km to ultra with flexible start times and a seven hour limit on a compact off-road trail.