More than 5,000 wanna-be tough guys – and gals – from around the world descended on England Sunday, battling mud, ice, fire, and frigid temperatures in a bid to finish the 24th annual Tough Guy challenge.

About 4,600 of the participants completed the 8-mile obstacle course, a trial that has been dubbed the world's "most dangerous taste of mental and physical pain," the BBC reports.

Proceeds from the event, held in Perton, Staffordshire, are donated to charity.

Among the challenges participants face are leaps over pits of fire, swims through pools of mud, and a climb over an electrified fence called "The Tiger."

Check out the photos of the event and post your comments...

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