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 12 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
A non-timed inflatable obstacle course in Norwich offering 2.5k to 15k options, music zones, finisher's medals, on-course water and family-friendly entry rules.
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.
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
Inflatable 5K in Huntingdon on 10 April 2027 features giant inflatable obstacles, music zones and distances of 2.5 km 5 km 10 km or 15 km.
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.
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 muddy obstacle race in Brentwood, Essex, with courses from 1.5 km to 12 km and signature features like the Deathslide and multi lane zip wires.
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 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.
September 2027
Women-only obstacle course in Brentwood with 5 km and 1.5 km options, mud and foam, an event village and finisher perks.