One day after being promoted to first lieutenant, Mollie Hebda of the U.S. Marine Corps fastens her helmet in preparation for the 40-kilometer bike ride. Hebda would finish the triathlon in third place among the women, contributing to her team’s second-place finish behind the Air Force.

Photo by: ANDREA HOWRY / LIGHTHOUSE  |  VIRIN: 140531-D-QK571-070.JPG