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
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.
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.
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.