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ivan watson korea freezing cold naked marathon run pkg_00001325
ivan watson korea freezing cold naked marathon run pkg_00001325

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    Korean runners go shirtless for freezing race

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Korean runners go shirtless for freezing race

To qualify for a medal in Korea's "naked marathon," you have to run five or 10 kilometers through the freezing cold ... shirtless. CNN's Ivan Watson reports.

Korean runners go shirtless for freezing race

To qualify for a medal in Korea's "naked marathon," you have to run five or 10 kilometers through the freezing cold ... shirtless. CNN's Ivan Watson reports.