Nuclear Fallout
Always double-check with the organizer's website! This page may contain affiliate links.
Nuclear Fallout
Nuclear Fallout is a winter obstacle race held at Nuclear Essex in Brentwood, Essex on 7 November 2026. The event takes place across farmland, woodland and lakes and features natural and man-made muddy obstacles, including the Deathslide, Travelator and a 15‑lane zip wire into water. Courses are chip timed and racers may skip obstacles without penalty.
The event offers multiple distances on a lapped course and different challenge levels:
- 6 km, over 40 natural and man-made obstacles
- 12 km, over 70 obstacles, run as two 6 km laps
- 24 km plus, the Oblivion MAXX endurance challenge with 200 plus obstacles
Facilities and included items listed for participants include hot washdowns, changing facilities, buoyancy aids for water obstacles, free car park, finishers medal, free finishers photo, free bag drop and chip timing. Spectators may attend for free and an event village provides music, food, drinks and merchandise while the race is running. Parking is free at the site and the venue is about 15 minutes from the A12, M25 and M11 and roughly 15 minutes by taxi from Brentwood or Epping stations. Under 16s must be accompanied by a paying participating adult. Visit the organization's website for the most recent information.