Crushing an hour-long workout at 3 a.m., swimming in ice-cold water for extended periods, slashing calories to near-starvation levels—the world’s top athletes stop at nothing to level up. But one ...
“This kind of mental strength is fundamental in all combat sports and life in general.” Crushing an hour-long workout at 3 a.m., swimming in ice-cold water for extended periods, slashing calories to ...