Trail Running calendar near West Sussex 2026-2027
We have found 520 Trailruns within 80 miles of West Sussex. See below where and when you can find the races.
0 – 100∞ km
Articles
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Group runs led by queer folks that prioritize an inclusive space while exploring the trails and unpaved surfaces of north London. Meetings are at the entrance to the turf at Whittington Park and routes are about 6k.
A mainly off road 15k trail run at Trifarm, Boreham on 06 May 2026 featuring an anticlockwise route on public footpaths and bridleways, on-site parking, water points and manual timing.
A 100K trail race on an anticlockwise loop of the Chiltern Hills, starting and finishing in Chesham and passing The Ridgeway, Ashridge Estate and other landmarks. Fully marked with open GPS tracking and organised support at aid stations.
A point to point 50 km ultramarathon from Horsham to Brighton seafront on 9 May 2026, featuring multi terrain trails, four feed stations and a 9.5 hour cut off. Individual and two runner relay entries are offered with team prizes.
Goring Gap Trails offers ultramarathon, half marathon and walking distances near Reading on 9 and 10 May 2026. The TRA licensed event includes affiliated and unaffiliated entry options and on site camping.
Inflatable 5K in Guildford on Saturday 9 May 2026 is an inflatable obstacle course at Stoke Park offering 2.5k laps with options of 2.5k, 5k, 10k or 15k and family friendly participation rules.
A linear 40 miles walk along the ancient Ridgeway from Avebury to Streatley, crossing Wiltshire, Oxfordshire and Berkshire and passing prehistoric sites. The event uses mapped routes, staffed checkpoints with refreshments, and awards a comp..
Test your endurance at Stanmer Park by completing 4.167 miles every hour until only one runner remains. This out and back course offers a personal challenge with support facilities and refreshments for all participants.
Nuclear Rush is a muddy obstacle race at the Secret Nuclear Bunker Estate in Essex featuring 6 km with 40 plus obstacles and 12 km with 70 plus obstacles, plus signature features such as the 20 foot Deathslide and multi lane zip wires.
A national OCR event at Nuclear Rush supported by British Obstacle Sports, the British OCR Championship runs a 12K plus route with 60 plus mandatory obstacles across mud, water and rugged terrain. It is chip timed, for 18 plus, and awards m..
A riverside event at Wraysbury Skiff & Punting Club offering 10 km, half marathon and marathon courses along the Thames Path with marked laps, marshals, a bespoke finishers medal and prizes for top finishers.
A weekend of muddy obstacle races at the Secret Nuclear Bunker Estate in Essex, with distances from 1.5 km to 38+ km, signature obstacles like the Deathslide and zip lines, chip timing and on-site facilities.
A 5k obstacle event at Southsea Common on 09 May 2026 where participants climb, crawl and slide around a flat route while raising funds for cancer research; facilities include toilets and refreshments and accessibility support is provided.
A camp-based Backyard Ultra at Chilton Manor Farm featuring a repeated loop through private trails, fields and woodland with a high point at Bugmore Hill Trig Point and on-site aid, toilets and course photography.
Run two laps or one around the undulating Rathfinny Wine Estate trails. The off-road course features grass, wooded sections and marked aid stations while supporting the WOLO Foundation and reducing single-use plastics.
An approximately 13 mile self guided loop around the Garden City Greenway starting and finishing at Standalone Farm, organised under UKA rules with a three hour time limit and proceeds donated to the charity GRIT.