Rock 'n' Roll to finsh line
From left, Chief Master Sgt. Gregory Warren, 100th Operations Group chief, U.S. Army Command Sgt. Maj. Matt Barnes and Chief Master Sgt. William Markham, 352nd Special Operations Group command chief, prepare to run the 2013 Rock-n-Roll Half-Marathon in Edinburgh, Scotland. The race course started and finished at Holyrood Park in Edinburgh, Scotland. (Courtesy photo/Released)