Trail Running calendar near Caldecotte 2026-2027

Park-based 3k and 5k runs at Dunorlan Park with mixed grass and woodland terrain. The event is organised by Cancer Research UK and includes a fundraising pack and a finishers medal.

A multi distance trail event in the Chilterns AONB near Hitchin on 6 June 2027, with 10 km, half marathon and marathon routes for runners and riders. Start and finish are on Gosmore village green with course support and a race village.

A *10 km* out-and-back race through gravel paths and woodland at Weald Country Park in Brentwood, organised by MCC Promotions. The event includes on-day registration, water stations, prizes and supports the charity Sport In Mind.

A forest trail event at Wendover Woods offering a hilly multi-lap 10 km course with Half Marathon, 10k and Junior Run options, on-site facilities for spectators, route maps and GPX files, and medals plus free photos for participants.

A backyard ultra at Breakheart Quarry where runners repeat a **6706 metre** loop every hour until one person remains; the event includes camping, marked trails and on course support in the Cotswold countryside.

A multi-distance trail event in the Cotswolds on 12-13 June 2027 based in Cirencester, with route options from 10 km to 100 km. The event offers GPS tracking, marked trails, marquee rest stops, medical support, camping and finisher awards.

A 5k obstacle course at Sandwell Valley Country Park on 12 June 2027 featuring grass, paths and woodland with multiple obstacles. Organised by Cancer Research UK, participants fundraise with a minimum target of £50.

An urban ultramarathon from a central London Run HQ with three distances including a 100km route that visits 100 plus landmarks. The event emphasises accessibility, on-course checkpoints, medals and a Top 100 finishers list.

A 100 mile nonstop race along the South Downs Way from Matterley Bowl near Winchester to Eastbourne, with 12 aid stations, medical support and a 30 hour cut off.

A 50 km non stop trail race along the South Downs Way inside the national park, with four aid stations, full medical support and a 9 hour cut off. The route starts at Matterley Bowl and finishes at Queen Elizabeth Country Park.

Obstacle course weekend at Belvoir Castle offering Sprint, Super, Beast and Kids races, with a Trifecta option across three days.

Trail ultramarathon on 19th June 2027 at West Dean Gardens with 30k, 50k, 80k and 100k route options across the South Downs and coast.

A muddy 5k obstacle course at Holme Pierrepont with climbs, crawls and slides across paths, grass and woodland. Waves start every 15 minutes, participants must be 13 or older and a minimum fundraising target of £50 applies.

A muddy 5k obstacle course at The Rutland Showground in Oakham with staggered start waves and an age limit of 13 and over. Entry includes a fundraising pack, back sign, training support and a finishers medal.

A point to point 50 mile ultra and a marathon along the Three Shires Way through Bucks, Beds and Northants, finishing with a Grafham Water loop. Licensed trail races with aid stations, electronic tracking and mandatory kit requirements.

A unique 24 hour running event at Caldecotte Lake where individuals and teams can complete as many 6.55 mile laps as they choose. Enjoy a festival atmosphere with on site camping and inclusive rewards for all participants.

Hydra 75 Mile Ultra is a 75 mile off road loop race at Denbies Wine Estate offering a single 1 mile lap, chip timing, and up to 30 hours to finish. Multiple distances and timed events take place on the same course.

A 100 mile off-road ultra at Denbies Wine Estate on 19 June 2027 using a flat one mile loop, full chip timing and multiple race options including 50 and 75 miles plus timed events.

A timed off-road Marathon and Half Marathon at Denbies Wine Estate near Dorking on a flat 1 mile loop with a flexible start window, up to 30 hours to finish, chip timing and a physical memento for all entrants.

A 24 hour attended challenge at Denbies Wine Estate in Dorking where runners complete 1 mile on the hour for 24 consecutive hours; onsite tent camping, daytime cafe service and a simultaneous virtual option are provided.