Ironman 26.2-mile run
Staff Sgt. David D. Staffeld, 301st Aircraft Maintenance Squadron avionics specialist, competes during the running portion of the 140.6 Ironman competition in Lousiville, Ky., August 2010. A 140.6 competition consists of a 2.4-mile swim, 112-mile bike ride and 26.2-mile run. (Courtesy photo)