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A leader in Pat Moon's dog team tugs at its harness during the official start of the Iditarod Trail Sled Dog Race in Willow, Alaska, on Sunday, March 4, 2012. (AP Photo/Anchorage Daily News, Bill Roth)

Iditarod race crowns youngest musher

Dallas Seavey, 25, competing against both his father and grandfather, won the 40th annual Iditarod Trail Sled Dog Race on Mar. 13, becoming the youngest musher crowned champion of the storied Alaska event.