Trail Running calendar near Portslade 2026-2027

BigSea on the Isle of Purbeck starts and finishes on Knoll Beach and offers Half Marathon, 18 Mile, Marathon and 54k routes across the Purbeck Hills and coastal landmarks. Aid stations provide snacks, water and vegan options and PH 1000 ele..

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.

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.

The Centaur 100 Mile Ultra will take place in Dorking from Saturday 19 June 2027 to Sunday 20 June 2027. You can run between 21 and 100 miles.

The Denbies Marathon & Half Marathon will take place in Dorking from Saturday 19 June 2027 to Sunday 20 June 2027. You can run between 13 and 26 miles.

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.

The Minotaur 50 Mile Ultra will take place in Dorking from Saturday 19 June 2027 to Sunday 20 June 2027. You can run 50 miles.

A timed endurance event at Denbies Wine Estate where participants run one mile on the hour for 12 consecutive hours. Attended and virtual options run simultaneously and places for the attended event are limited.

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..

A timed trail weekend at Leybourne Lakes on a fully marked 2.5km loop with 6, 12 and 24 hour options plus relays. Race village offers basecamp space, live timing, medical support and finisher medals.

Timed event at Denbies Wine Estate on 20 June 2027 using a 1 mile loop; runners choose distances from 1 mile to ultra and run laps within a six hour limit.

A 21.2 km trail half marathon across Dunstable Downs with 450 m of climbing, waymarked trails, two aid stations and a licensed UTMB index status.