London
Obstacle Race Calendar near London 2026-2027
Monthly updates for London
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Explore the top obstacle runs near London for 2026-2027! We've gathered 17 exciting races in the area. Check out our detailed list below to find your next local race.
March 2027
An obstacle mud run at Henfold Lakes near Dorking on 6 March 2027, using a 5 km lap with 1, 2 or multiple lap options; entries were listed at £60 and are sold out.
A quirky running event in Dorking where pairs carry an adult over a 380 m out and back course with obstacles, a weigh in, helmet requirement and novelty prizes.
April 2027
An untimed inflatable obstacle run at Hertfordshire County Showground on 24 April 2027 with 2.5k, 5k, 10k or 15k lap options, music zones and a finisher's medal.
May 2027
Nuclear Rush is a muddy obstacle course at the Secret Nuclear Bunker estate in Essex offering 6 km and 12 km races with signature Deathslide and zip line obstacles.
An inflatable obstacle-course fun run at Stoke Park, Guildford on 8 May 2027 with distances from 2.5k to 15k, music zones and finisher medals.
Monthly updates for London
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An inflatable obstacle course event at Brands Hatch with 2.5 km laps offering 2.5 km 5 km 10 km and 15 km options, music zones, medals and family and group discounts.
A colourful family obstacle run near Dorking on a 5 km Nuts Challenge course, featuring mud, water, climbing obstacles and options for ages 6 and up.
June 2027
A Pretty Muddy 5k obstacle course at Royal Windsor Racecourse on mixed tarmac and grass, with staggered wave starts and age rules for kids and adults.
A muddy 5k obstacle course at Cassiobury Park where participants climb, crawl and slide to raise funds for cancer research.
An obstacle course around Gloucester Park with climbs, crawls and slides, organised by Cancer Research UK to raise funds for cancer research.
July 2027
A 5 km muddy obstacle run at Wild Forest in Brentwood supporting Essex Wildlife Trust, with a medal, free parking and post race shower.
Pretty Muddy 5k at Fairlands Valley Park in Stevenage is a mixed-terrain obstacle course with muddy elements, staggered wave starts, on-site parking and event support.
A community fundraising run in Beckenham Place Park offering 10k, 5k and 3k on mixed grass and paths with varied inclines.
A muddy 5k obstacle event at Hylands Park, Chelmsford on 18 July 2027 with staggered waves, group and child options, organised by Cancer Research UK to raise funds.
A muddy 5k obstacle course around Tilgate Lake with woodland paths, staggered wave starts, on-site facilities and a stated minimum fundraising target.
August 2027
A family-friendly inflatable obstacle run at Hylands Park on 7 August 2027 offering 2.5k, 5k, 10k and 15k options with medals and event amenities for all participants.
September 2027
Muddy obstacle runs in Brentwood, Essex offering 1.5 km and 5 km courses, achievable obstacles, hot wash downs and a finisher medal.