Celebs you didn't know are triathletes
These stars are seriously fit
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Some celebrities take no shortcuts in achieving their fitness goals.
Triathlons are not for the faint-hearted. Although there are several triathlon variations, including the ironman, the standard triathlon is a 0.93-mile swim, followed by a 24.8-mile cycle, and finishes with a 6.2-mile run. It is known to be much more challenging than a marathon.
Click through to find out which world-famous celebrities participated in this grueling challenge.
HEALTH Human body
TRAVEL Eastern europe
CELEBRITY Celebrity trivia