Fit to fight, fit to finish: 18-time marathoner models Air Force Readiness
The sound of pounding feet on asphalt synchronized to Air Force Senior Master Sgt. Tiffany Hallmark’s heartbeat as she crossed the mile 20 mark. Doused in sweat, stomach involuntarily empty since mile 7, Hallmark anguished through the final 6.2 miles toward the finish line. In her 18th marathon, she knew […]










