US Military service members crawl through the mud as they join civilians as they participate in Hawaii's first ever Spartan Race 5k obstacle course August 17, 2013 in Kualoa Ranch, HI.

Size: 3420px × 5200px
Location: Kualoa Ranch, Hawaii
Photo credit: © US Navy Photo / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: america, athletes, athletics, climb, competition, day, extreme, hawaii, military, mud, muddy, navy, outdoors, rope, sport, sporting, sports, usa, vertical