A participant catches her breath after completing a mud pit obstacle during the 2017 Defenders of Liberty Mud Run at Barksdale Air Force Base, La., April 1. Competitors tackled mud pits, barriers and other military style obstacles during the event. ( Air Force photo/Senior Airman Mozer O. Da Cunha)

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Size: 4622px × 3083px
Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
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Keywords: #2bw, #afgsc, #airman, #airmen, #barksdale, #barksdaleafb, #competition, #fitness, #morale, #race