Trail Running calendar near Royston 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 point-to-point trail event through the Hertfordshire AONB offering marathon, half and 10 km distances open to both runners and cyclists with separate results and medals.

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 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.

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

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.

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

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 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.

Trail marathon and half marathon at Denbies Wine Estate on 19 June 2027, run on a 1 mile loop with chip timing and an extended start window.

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.

A 50 mile loop ultra at Denbies Wine Estate in Dorking with a flatish one mile circuit, chip timing, several concurrent race options and up to 30 hours to finish.

Run one mile on the hour for 12 consecutive hours at Denbies Wine Estate with chip timing, a finisher medal, camping and a simultaneous virtual option.

A trail running event at Cranleigh Showground on Saturday 19 June 2027 with routes from 5 km to 53 km across Surrey hills and forests. Fully marked courses, varied outposts, free parking and an event village with food and a non alcoholic be..