Spc. Chase Kelpin, training room Soldier, Company I, 1st Battalion, 68th Armor Regiment, 3rd Armored Brigade Combat Team, 4th Infantry Division, runs during the Ivy Heptathlon on Fort Carson, Jan. 28, 2015, as part of Iron Horse Week. Each Soldier of a six-man team had to complete a half-mile run during the heptathlon. (U.S. Army Photo by Spc. Gregory T. Summers, 3rd ABCT, Public Affairs, 4th ID)