London
Obstacle Race Calendar near London 2026-2027
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Explore the top obstacle runs near London for 2026-2027! We've gathered 16 exciting races in the area. Check out our detailed list below to find your next local race.
August 2026
Permanent 7 km mud and obstacle assault course near Dorking, Surrey with over 100 obstacles and options for one, two or limitless laps for solo runners and groups.
September 2026
A muddy obstacle-course run in Brentwood with 5 km and 1.5 km options, achievable obstacles, finisher medals and post-race wash-downs.
A women only muddy obstacle course in Brentwood, Essex covering 5 km with varied obstacles, wash facilities, a finisher medal and an inclusive, non competitive format.
October 2026
Inflatable obstacle course event at Kempton Park Racecourse on 3 October 2026 with 2.5K, 5K, 10K and 15K options suitable for ages 5 and up.
A military inspired obstacle mud run at Hever Castle on 10 October 2026 offering 3K, 6K and 12K courses, junior options, and an event village with spectator attractions.
November 2026
A November muddy obstacle event in Essex offering 6 km, 12 km and 24 km+ courses with natural and man‑made obstacles including a Deathslide and zip wire.
March 2027
A quirky partner carrying race on a 380 m out and back course up The Nower in Dorking, with weigh in rules, helmets required and proceeds donated to a local food charity.
April 2027
Inflatable obstacle course event in St Albans on 24 April 2027 with 2.5 km laps and distance options from 2.5 km to 15 km, family friendly rules and on site facilities.
May 2027
Muddy obstacle races at the Secret Nuclear Bunker Estate in Essex with 6 km (40+ obstacles) or 12 km (70+), featuring a 20 foot Deathslide and zip lines.
Inflatable 5K in Guildford on 8 May 2027 offers lap-based inflatable obstacle distances from 2.5k to 15k, music zones, water stations and finisher medals.
Inflatable 5K at Brands Hatch offers laps of 2.5 km with giant inflatable obstacles, multiple distance options, music zones, finisher medals and on course hydration.
June 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 muddy 5k obstacle course at Cassiobury Park where participants climb, crawl and slide through timed waves while raising funds for cancer research.
July 2027
A muddy 5k obstacle course at Fairlands Valley Park in Stevenage with staggered waves, on-site facilities, a minimum fundraising target of £50 and age 13 and over requirement.
A muddy 5k obstacle course at Hylands Park, Chelmsford on 18 July 2027 organised by Cancer Research UK to raise funds; participants must be 13 or older.
A Pretty Muddy 5k at Tilgate Park with obstacles on woodland and lakeside paths, a double lap course and a minimum age of 13.