Nuclear Fallout OCR Races

Nuclear Fallout OCR Races

Saturday, 7 November 2026

Kelvedon Hatch, Brentwood, UK

Follow event Mud/OCR Off Road/Trail

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 like.

The Oblivion Maxx 24km is an advanced level endurance OCR with competitors completing 3 laps of a 6km course of with 70+ obstacles per lap.

Expect a wide range of natural and man-made obstacles over rugged farmland, woodland, lakes, and muddy terrain.

Organiser

Nuclear Races

Distances/Events

Mud / OCR:
6K with 40+ obstacles (14 years+)
12K with 70+ obstacles (17 years+)

Fallout Oblivion Maxx:
24K with 200+ obstacles (17 years+)

Location map

The event village is the Secret Nuclear Bunker, Kelvedon Hatch.

Please note: the map location may be approximate. Refer to the event website for start lines and course maps.

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This listing was last manually checked on 4 December 2025.

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