Nuclear Rush OCR Races

Nuclear Rush OCR Races

Saturday, 8 May 2027 to Sunday, 9 May 2027

Kelvedon Hatch, Brentwood, UK

Follow event Mud/OCR Off Road/Trail

The Nuclear Rush OCR Races are in Brentwood, Essex across the weekend 8 to 9 May 2027.

This event is designed for both seasoned racers and adventurous newcomers alike, with the course taking entrants deep into muddy farmland and woodland with world-class obstacles.

Options include a chip-timed 6km with 40+ obstacles (13 years+), or the 12km distance with 70+ obstacles (16 years+). You can attempt as many or as few obstacles as you like.

Organiser

Nuclear Races

Distances/Events

Saturday & Sunday:

Mud/OCR Adult:
6K with 40+ obstacles (13 years+)
12K with 70+ obstacles (16 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.

Disclaimer

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This listing was last manually checked on 9 June 2026.

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