Who doesn’t love a list? These are our pick of the best events from beginner triathlons to the toughest 10k’s.
This is the ultimate test of mental and physical endurance. There’s 9 hours to complete 4 laps of the 12k Nuclear Rush course tackling approximately 300 man-made and natural obstacles, over punishing Essex terrain heavily loaded with lakes, ditches, bogs, woodland, open fields and loads of thick sticky mud. Race against the toughest and fittest competitors to be pushed beyond your normal personal limits over Nuclear Rush's courses. Training essential – hardcore fitness fanatics need only to apply!
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