
Nigel Roddis / Reuters
A competitor wearing a "stormtrooper" helmet wades through water during the Tough Guy event in Perton, central England, January 30. The annual event to raise cash for charity challenges thousands of international competitors in a cross country run followed by an assault course consisting of 21 obstacles including water, fire and tunnels.

Nigel Roddis / Reuters
Competitors climb nets during the Tough Guy event in Perton, central England, January 30.

Nigel Roddis / Reuters
A competitor reacts during the Tough Guy event in Perton, central England, January 30.

Nigel Roddis / Reuters
A competitor runs through a burning field during the Tough Guy event in Perton, central England, January 30.

Nigel Roddis / Reuters
A competitor jumps into frozen water during the Tough Guy event in Perton, central England, January 30.

Nigel Roddis / Reuters
A competitor emerges from a pool of muddy water during the Tough Guy event in Perton, central England, January 30.

Michael Regan / Getty Images
A competitor emerges from the freezing water during the Tough Guy race on January 30.