Try running through fire, swimming in freezing water, wading through mud tunnels, and crawling across barbed wire, all the while being distracted by fire machine-gun blanks, thunder flashes and smoke bombs.
- (Possible injuries you may sustain: barbed wire cuts, burns, hypothermia and electric shocks.)
I won't go so far as to say traditional marathons are for pussies, but let's just say in order to participate in Perton, England's charity driven Tough Guy Challenge, all applicants must sign a "death warrant".
Video and images from this year's competition:
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