Participants start the 5k Commander's Challenge Run April 5, 2013, at Joint Base Charleston – Air Base, S.C. The 5k was held to kick off Sexual Assault Awareness Month. (U.S. Air Force photo/ Senior Airman George Goslin)

Participants start the 5k Commander's Challenge Run April 5, 2013, at Joint Base Charleston – Air Base, S.C. The 5k was held to kick off Sexual Assault Awareness Month. (U.S. Air Force photo/ Senior Airman George Goslin)

Airman 1st Class John Snyder, 437th Maintenance Squadron crew chief, crosses the finish line during the 5k Commander's Challenge Run April 5, 2013, at Joint Base Charleston – Air Base, S.C. Snyder finished as the top male participant with a time of 18:50. (U.S. Air Force photo/ Senior Airman George Goslin)

Airman 1st Class Michelle Di Ciolli, 1st Combat Camera Squadron broadcaster, crosses the finish line during the 5k Commander's Challenge Run April 5, 2013, at Joint Base Charleston – Air Base, S.C. Di Ciolli finished as the top female participant with a time of 21:40. (U.S. Air Force photo/ Senior Airman George Goslin)