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 15 exciting races across the region. Find your next race in East of England below and join the running community at these great events!
March 2027
A multi lap off road event in Friday Woods featuring a 3 mile loop with run, TAB and canicross categories plus a 2 mile junior race for ages 10 to 15.
April 2027
A family friendly inflatable obstacle run at Huntingdon Racecourse with music zones, a finisher's medal and distances from 2.5k up to 15k.
An untimed inflatable obstacle run at Hertfordshire County Showground on 24 April 2027 with 2.5k, 5k, 10k or 15k lap options, music zones and a finisher's medal.
May 2027
A 5k obstacle course at Norfolk Showground with climb, crawl and slide obstacles, staggered wave starts and a £50 minimum fundraising target.
Nuclear Rush is a muddy obstacle course at the Secret Nuclear Bunker estate in Essex offering 6 km and 12 km races with signature Deathslide and zip line obstacles.
Monthly updates for East of England
Get new running races (and updates) in your inbox every month.
June 2027
A muddy 5k obstacle course at Cassiobury Park where participants climb, crawl and slide to raise funds for cancer research.
An obstacle course around Gloucester Park with climbs, crawls and slides, organised by Cancer Research UK to raise funds for cancer research.
A 5 km muddy obstacle course at Trinity Park Ipswich on 20 June 2027 featuring climbs, crawls and slides; age rules and ticketing apply.
July 2027
A 5 km muddy obstacle run at Wild Forest in Brentwood supporting Essex Wildlife Trust, with a medal, free parking and post race shower.
Pretty Muddy 5k at Fairlands Valley Park in Stevenage is a mixed-terrain obstacle course with muddy elements, staggered wave starts, on-site parking and event support.
A muddy 5k obstacle event at Hylands Park, Chelmsford on 18 July 2027 with staggered waves, group and child options, organised by Cancer Research UK to raise funds.
August 2027
A family-friendly inflatable obstacle run at Hylands Park on 7 August 2027 offering 2.5k, 5k, 10k and 15k options with medals and event amenities for all participants.
September 2027
Muddy obstacle runs in Brentwood, Essex offering 1.5 km and 5 km courses, achievable obstacles, hot wash downs and a finisher medal.
October 2027
Inflatable 5K in Norwich on 9 October 2027 is a non timed inflatable obstacle course at Royal Norfolk Showground offering 2.5k, 5k, 10k and 15k options.
Mud and obstacle course races at Wantisden Hall on 17 October 2027 offering 5 mile and 7 mile routes with 30+ and 40+ obstacles for ages 18 and over.