Trail Running calendar near Brighton and Hove 2026-2027

A 5k obstacle course at Royal Windsor Racecourse with mud obstacles to climb, crawl and slide, mixed tarmac and grass surfaces, staggered wave starts and a minimum age of 13. Earlybird entry prices and a fundraising target apply.

A 5 km obstacle course at Prospect Park in Reading where participants climb, crawl and slide across grassy slopes and woodland. Waves run every 15 minutes and the event is open to people aged 13 and over.

A 27 mile evening trail marathon near Purleigh across saltmarsh, towpaths, vineyards and woods, with a 6.5 hour cutoff and a field limited to 50 runners.

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.

Point-to-point 50 km trail from Rochester to Tonbridge along the River Medway, predominantly flat with four aid stations, chip timing and an athletics track finish.

Point to point 30 km trail race along the River Medway from East Farleigh to Tonbridge with three checkpoints, chip timing and an athletics track finish.

Two supported London trail runs offering a 55 km ultra and a 25 km route along the Capital Ring with feed stations, chip timing and a shared finish in Richmond.

A 24-hour relay at Wasing Park with solo and team entries running repeated 8 km laps, weekend camping, Event Village facilities, and official timing.

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.

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.

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 from Matterley Bowl near Winchester to Eastbourne, with 12 aid stations, medical support and a 30 hour cut off.

A non-stop 50 km trail ultra along the South Downs Way with about 1150 m climb, four aid stations, full medical cover and a nine hour cut off.

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.

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 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.