9:20AM STV | Ryan Reynolds hit the fundraising circuit running — literally — in
an essay today on The Huffington Post, where he opened up about his training for next month’s New York Marathon. There, despite vowing to avoid such events after once observing an epidemic of runners’ bleeding nipples, the newlywed is racing on behalf of Michael J. Fox’s foundation to fight Parkinson’s Disease. But while we applaud his determination in battling 26 miles of nipple-chafe, Reynolds is running for more than just a good cause. He’s also trotting into a celebrity pastime with a rich tradition of its own, competing against the likes of Will Ferrell, Katie Holmes, Diddy and even David Lee Roth’s six-hour slog through New York in 1987. After the jump, find the ten swiftest boldfacers who ever laced up a pair of track shoes. Train harder, Ryan — and happy bleeding!
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