East of England
Obstacle Race Calendar East of England 2026-2027
Monthly updates for East of England
Get new running races (and updates) in your inbox every month.
Explore the best obstacle runs in East of England for 2026-2027! Our updated list features 14 exciting races across the region. Find your next race in East of England below and join the running community at these great events!
October 2026
Inflatable obstacle course in Norwich on 17 October 2026, offering 2.5K to 15K options, music zones, finisher medals and family-friendly entries.
November 2026
Muddy obstacle runs in Brentwood, Essex offering 6 km, 12 km and 24 km plus options across farmland, woods and lakes with dozens of natural and man made obstacles.
March 2027
A PARAS'10 event in Friday Woods featuring a 3-mile woodland loop with one to three laps, offering run, TAB and canicross categories plus a 2-mile youth race.
April 2027
Untimed inflatable obstacle run in Huntingdon on 10 April 2027 with lap distances from 2.5k to 15k, music zones, water station and a finisher medal.
An untimed inflatable obstacle event in St Albans on a 2.5 km lap with distances from 2.5K to 15K, medals, music zones, and on-site facilities.
Monthly updates for East of England
Get new running races (and updates) in your inbox every month.
May 2027
A 5 km Pretty Muddy obstacle course at Norfolk Showground with a mix of paths and grass, staggered wave starts every 15 minutes and an age limit of 13 and over. The event supports fundraising for Cancer Research UK.
Nuclear Rush is a May obstacle race at the Secret Nuclear Bunker Estate in Essex offering 6 km and 12 km courses with 40+ and 70+ obstacles, plus family and kids races.
June 2027
A muddy 5k obstacle course at Cassiobury Park where participants climb, crawl and slide through timed waves while raising funds for cancer research.
A 5k obstacle course at Trinity Park with muddy climbs, crawls and slides, held in staggered waves. The grassy course is fairly flat and the event requires participants to be 13 or older.
July 2027
A muddy 5km obstacle run at Wild Forest in Brentwood on 3 July supporting Essex Wildlife Trust, with safety teams, parking, showers and a medal for each participant.
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.
August 2027
Experience a recreation focused obstacle event in Chelmsford featuring multiple distance options and up to 90 giant inflatable obstacles for participants of all abilities.
September 2027
Mud Tribe in Brentwood offers muddy obstacle courses of 1.5 km and 5 km with foam and water features, hot wash downs, a finisher medal and family friendly facilities.