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 15 exciting races in the area. Check out our detailed list below to find your next local race.
September 2026
Muddy obstacle run in Brentwood, Essex with 5 km and 1.5 km family options, obstacles, hot wash-downs and a finisher medal.
A women only 5 km muddy obstacle course in Brentwood, Essex that welcomes all ages and abilities with no chip timing and finish-line wash downs and a finisher medal.
October 2026
An inflatable obstacle-course event at Kempton Park Racecourse on 3 October 2026 offering 2.5K, 5K, 10K and 15K options for ages 5 and up.
Commando Series at Hever Castle on 10 October 2026 features 3K, 6K and 12K military style obstacle courses with age specific entries and an event village.
November 2026
A November muddy obstacle event in Brentwood Essex with 6 km, 12 km and 24 km plus options across farmland, woods and lakes featuring 40 to 200 plus obstacles.
Monthly updates for London
Get new running races (and updates) in your inbox every month.
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
Untimed inflatable obstacle fun run in St Albans with options of 2.5 km, 5 km, 10 km or 15 km, music zones and a finisher medal.
May 2027
Nuclear Rush at the Secret Nuclear Bunker Estate in Essex offers muddy 6 km and 12 km obstacle courses with ziplines, a 20 foot Deathslide and chip timed finishes.
An inflatable obstacle course and fun run in Guildford on 8 May 2027 with 2.5k, 5k, 10k and 15k options, music zones, obstacles, medals and on course water.
An inflatable obstacle course at Brands Hatch offering 2.5k laps with options to run 2.5k up to 15k, music zones, finisher medals, on course water and family ticket options.
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.
Pretty Muddy 5k at Hylands Park Chelmsford on 18 July 2027 is a grass obstacle course with climb crawl and slide elements, staggered wave starts and a minimum age of 13.
A Pretty Muddy 5k at Tilgate Park with obstacles on woodland and lakeside paths, a double lap course and a minimum age of 13.