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The Mental and Physical Benefits of Ultramarathon Training
U.S. Air Force Lt. Col. Paul Gesl, , Space Launch Delta 30 30th Staff Judge Advocate, races in the 2016 JFK 50-miler in Boonsboro, Maryland. The JFK 50-miler was Gesl’s first 50 mile race of his running career. (Courtesy photo from Lt. Col. Paul Gesl)

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Photo by: Airman 1st Class Kadielle Shaw |  VIRIN: 220509-F-XI961-1001.JPG