Trail Running calendar near Brighton 2026-2027

A two day two person team self-supported navigation and endurance challenge based at Newlands Corner in the Surrey Hills. Teams carry their own camping and food and score points by visiting virtual controls during timed sessions on both day..

A 50 km point-to-point ultramarathon from Horsham to Brighton seafront across trails and downs, with four feed stations, a fully signed route and a GPS file provided before race day.

A mud obstacle 5k at Southsea Common with climbs, crawls and slides on a mainly flat route. Waves start every 15 minutes, participants must be 13 or older, and the event supports fundraising for Cancer Research UK.

A muddy obstacle course at the Secret Nuclear Bunker Estate in Essex, Nuclear Rush offers 6 km and 12 km routes with dozens of obstacles, chip timing, signature features like the Deathslide, and family race options.

An untimed inflatable obstacle run in Guildford on 8 May 2027 with giant inflatables and music zones. Distances from 2.5 km to 15 km, family friendly, with medals, onsite facilities and group discounts.

A guided 30 km trail run in the Chiltern Hills with checkpoint support, trail technique instruction and a finisher’s medal. The event starts from the Iron Room near Tring Station with group pacing and bag storage.

A Trifecta obstacle-course weekend in Henley on Thames featuring Sprint, Super and Beast races plus a kids race along the riverside and town landmarks. Events list 20 to 30 obstacles and show a 4.7 participant rating.

An inflatable obstacle course and fun run at Brands Hatch with 2.5 km laps that can be combined into 5k, 10k or 15k. Family friendly with medals, music zones, hydration, on-site food and paid parking.

Race for Life at Weald Country Park in Brentwood features 3k, 5k and 10k routes across grass and woodland trails. The 10k is two laps of the 5k course and the event is chip timed.

Trail runs and walks near Reading at Mapledurham House on 22 and 23 May 2027, with waymarked routes along the Thames, multiple distances, support stations, online tracking and on site camping.

A 5 km obstacle event at War Memorial Park on 23 May 2027 where participants climb, crawl and slide across mixed grass and path terrain; entrants must be 13 or older and a minimum fundraising target of £50 applies.

Four point-to-point races across the South Downs National Park on runnable, non-technical trails that converge to cross Beachy Head and finish in Eastbourne; the **100k** race is part of the South Downs Triple Crown.

A 125 km waymarked loop following the Pewsey Vale Circular walk with about 1902 m ascent and GPX files provided. Checkpoints appear roughly every 25 km, there is a 24 hour cut off, and camping is available at Linkenholt Activity Center.

A riverside trail event at Remenham Farm in Henley-on-Thames offering a Half Marathon, 10K and a Junior Race for under 11s, with chip timing, medals, free photos and an event village.

A 100 kilometre trail ultramarathon on 9 May 2026 around the Chiltern Hills, following an anticlockwise loop past Ashridge, The Ridgeway and Whiteleaf Hill. Fully marked route with GPS tracking and several staffed aid stations.