U.S. Air Force Maj. Joel Fenlason, Air Combat Command Contingency & Readiness Branch chief, runs on the trail around Langley Air Force Base, Va., Apr. 20, 2012, in preparation for his 50th marathon. Fenlason’s best time for completing a marathon is 3 hours, 25 minutes. (U.S. Air Force photo by Senior Airman Wesley Farnsworth)