If traveling 1,000 miles across frigid Alaskan terrain in a sled sounds grueling, imagine tackling the same snowy course on a bike. Philip Hofstetter has biked along the famous Iditarod course, which goes from Anchorage to Nome, Alaska, nine times as part of the Iditarod Trail Invitational Bike Race.

“I’m either a glutton for punishment or an adrenaline addict,” jokes Mr. Hofstetter, the vice president of hospital services at Norton Sound Regional Hospital, a Level IV trauma critical access hospital in Nome.

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