Nuclear Mud Tribe Race
–
The Nuclear Mud Tribe Race in Brentwood, Essex on 5 September 2026 is a fun and relaxed 5K event, for those aged 7 years+. The 5km route features 17 approachable obstacles, which are completely optional, so you can choose whether or not to take them on. Entrants are free to run or walk the distance,…
Nuclear Fallout OCR Races
–
The Nuclear Fallout OCR Races in Brentwood, Essex on 7 November 2026 includes a 6km or 12km obstacle race, plus a 24km endurance OCR. The 6km (40+ obstacles) is a 1-lap course and the 12km distance is 2 laps of the 6km course. Both are chip-timed. Attempt as many or as few obstacles as you…