Trail Running calendar near Flitwick 2026-2027

A 5k muddy obstacle course at Willen Lake with staggered wave starts, on-site toilets and parking, blue badge parking nearby, and a fundraising target of £50. The event is not wheelchair accessible.

Derby Pretty Muddy 5k is an obstacle course at Markeaton Park with climbing, crawling and sliding across mixed terrain. It is for participants aged 13 and over and includes a fundraising element, a kit pack and a finisher medal.

An evening trail marathon on 5 June 2027 near Purleigh, Essex covering 27 miles with coastal, canal, vineyard and forest sections. The race has three checkpoints, mandatory lighting kit and cash prizes including a reward for a new course re..

A Backyard Ultra at High Lodge Thetford Forest where runners repeat a 4.167 mile loop each hour until one remains. Chip timing, on site camping, food vans and optional 6 hour and 12 hour timed entries are available.

Backyard Ultra at Chilton Manor Farm on 5 June 2027 features a 6706 m loop run each hour until one runner remains, with weekend camping, on route water stations, event camp facilities and medical support.

At Prospect Park in Reading this Race for Life event offers a 10k run as two laps of the 5k course plus a separate 5k option, with grass and woodland terrain and some steep slopes.

A mixed road and country run around Ousden in Suffolk offering 5k, 10k, half, full and ultra options with loop and out-and-back formats, regular aid stations, onsite parking and bespoke finisher medals.

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 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 multi-distance trail event around the Cotswolds from a Cirencester basecamp on 12 to 13 June 2027. Distances range from 10 km to 100 km with staffed rest stops, GPS tracking, camping, medical support and finisher kit.

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.

Race to the King is a trail ultramarathon at West Dean Gardens on 19 June 2027, offering 30 km and 50 km loop options plus 80 km and 100 km non stop circuits across the South Downs Way and Monarchs Way with timed results and support.

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.

Point to point trail races through Bucks, Beds and Northants with a 50 mile ultra and a marathon option. Waymarked routes, amended GPX for the ultra, checkpoint cut offs and mandatory kit requirements are in place.

A 5k obstacle course at Trinity Park with muddy climbs, crawls and slides, held in staggered waves. The grassy course is fairly flat and the event requires participants to be 13 or older.

A trail half marathon at the National Trust Dunstable Downs on 21 June 2026, covering 21.2 km with roughly 450 m of climb. The course is waymarked and supported with aid stations at 6.7 km and 13.7 km.

A women's ultra trail event in the Surrey Hills with out and back routes from Denbies Wine Estate. Three course options, no cut-off times on course, and policies to support pregnant and parenting participants.