Brentwood
Obstacle Race Calendar near Brentwood 2026-2027
Monthly updates for Brentwood
Get new running races (and updates) in your inbox every month.
Explore the top obstacle runs near Brentwood for 2026-2027! We've gathered 7 exciting races in the area. Check out our detailed list below to find your next local race.
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.
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.
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 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.
Monthly updates for Brentwood
Get new running races (and updates) in your inbox every month.
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.