I'm A Triathlete: Jimmie Johnson
Even when he's off the track and away from his 3,400-pound racecar, Jimmie Johnson can't stay away from racing. Chasing the finish line is simply in the man's blood. The five-time NASCAR Cup Series champion famously grew up racing BMX and dirt bikes, and also swam competitively in high school.
With all that experience in the water and on two wheels, he found his way into triathlon.
"I've had an interest in it for a long time," Johnson says about triathlon. "When I was young, ...
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