Trail Running calendar near Shoreham-by-Sea 2026-2027

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.

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 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.

A fully supported non stop 100 mile race along the South Downs Way with 12 aid stations, medical cover and a 30 hour cut off, running from the Winchester area to Eastbourne and featuring significant elevation and mostly trail terrain.

A 50 km non stop trail race along the South Downs Way inside the national park, with four aid stations, full medical support and a 9 hour cut off. The route starts at Matterley Bowl and finishes at Queen Elizabeth Country Park.

The Robertsbridge Midsummer 10K & 5K will take place in Robertsbridge on Friday 18 June 2027. You can run between 5 and 10 kilometers.

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 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.

Hydra 75 Mile Ultra is a 75 mile off road loop race at Denbies Wine Estate offering a single 1 mile lap, chip timing, and up to 30 hours to finish. Multiple distances and timed events take place on the same course.

A 100 mile off-road ultra at Denbies Wine Estate on 19 June 2027 using a flat one mile loop, full chip timing and multiple race options including 50 and 75 miles plus timed events.

A timed off-road Marathon and Half Marathon at Denbies Wine Estate near Dorking on a flat 1 mile loop with a flexible start window, up to 30 hours to finish, chip timing and a physical memento for all entrants.

At Denbies Wine Estate on 19 June 2027 runners complete one mile on the hour for 24 consecutive hours. The attended event includes chip timing, onsite tent camping and a substantial finisher medal and runs alongside a virtual option.

A 50 mile off‑road ultra at Denbies Wine Estate run on a flat-ish 1 mile loop. Chip timed, up to 30 hours to finish, with multiple distance options and a well stocked aid station.

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 scenic trail half marathon on National Trust land at Dunstable Downs covering 21.2 km and 450 m elevation. The fully marked course has two aid stations, GPX files available and event facilities at the National Trust centre.