DENVER
08/16/2010 05:12 am ET Updated May 25, 2011

70-Year-Old Celebrates Birthday With 70 Mile Run

Jim Romero just looks like a runner. In fact you'd think he'd been running all his life. Not quite.

"I've been running about 35 years," explains Romero. "When I started, I was a smoker and a little on the heavy side. I decided to change my life."

Thirty-five years. That's only HALF of Jim's life.

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