Nuclear Fallout OCR Races
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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…