Trail Running calendar near Princes Risborough 2026-2027

A trail half marathon from Chiddingly, Sussex along the Wealdway and Vanguard Way with two checkpoints, chip timing, a five hour limit and a choice to donate instead of a medal.

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 roughly 6 kilometre mixed-surface race through Blaise Castle Estate in Bristol, held annually in early June. The event has individual and team prizes, a minimum age of 16, and facilities based around the clubhouse.

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.

Trail event based at Cirencester with supported 10 km to 100 km options, regular rest stops, medical teams, GPS tracking and basecamp accommodation.

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 in central London with 100km, 50km and 25km routes that pass over 100 city landmarks, with checkpoints and training resources.

A 100 mile nonstop race along the South Downs Way on 12 June 2027, with 12 aid stations, a 30 hour cut off and mandatory kit checks.

The Centurion South Downs Way 50km will take place in Winchester on Saturday 12 June 2027. You can run between 5 and 50 kilometers.

A muddy 5k obstacle course at Cassiobury Park where participants climb, crawl and slide through timed waves while raising funds for cancer research.

A community Race for Life event at Cassiobury Park on 12 June 2027 offering 3k, 5k and a 10k double lap course with accessible facilities.

Timed run along a 3.28 mile out and back canal route in Stroud with flexible starts, multiple distance options and a seven hour time limit.

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 Pretty Muddy 5k at The Downs in Bristol with grass start and finish, mixed terrain and obstacles to climb, crawl and slide. Staggered wave starts apply and the event supports Cancer Research UK with a minimum fundraising target.

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 muddy 5k obstacle course around The Common in Southampton where participants climb, crawl and slide through obstacles while raising funds for cancer research. Waves run every 15 minutes and participants must be 13 or older.

Point to point ultra and marathon along the Three Shires Way on 19 June 2027, with GPS routes, aid stations, tracking, prizes and a finisher medal.

A 24 hour running festival in Milton Keynes where individuals or teams complete as many 6.55 mile laps as they wish, with camping, showers and on-site food and facilities.

A 75 mile off road ultra on a one mile loop at Denbies Wine Estate with up to 30 hours to finish, chip timing and multiple concurrent race options.

A 100 mile ultra on a flat one mile trail loop at Denbies Wine Estate offering 12 hour and 24 hour options plus 50, 75 and shorter races.