Air Force Maj. Joshua Brown, 673d Surgical Operations Squadron Surgical Services flight commander, begins the Iditarod Trail Invitational 1,000 mile ultramarathon at Knik Lake, Alaska, Feb. 27, 2022. The ITI follows the historic Iditarod Trail and competitors must carry all necessary survival equipment with them, only able to rely on a handful of checkpoints along the route. Brown is representing the Air Force as the first active duty service member to compete in the race.

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Keywords: fitness, iditarod, jber, marathon, survival, ultramarathon