Man o' War all-time greats with an "almost unbelievably brilliant performance" before a crowd of 25,000. At odds of 1-20, he faced only one rival, the well-regarded colt Donnaconna. Man o' War led from the start and Kummer let him run freely at the top of the stretch, allowing Man o' War to draw away by 20 lengths. Although eased in the final furlong, Man o' War set a world record of 2:14, beating the previous standard set in England by over two seconds and beating Sir Barton's American record by over three seconds. This time stood as the American record until 1961
Man o' War under heavy restraint and often conceded his rivals large amounts of weight. He retired as the then-leading money-earner in American history. Developing this talent was not easy for trainer Louis Feustel due to Man o' War's occasionally wild temperament. In his early days, Man o' War would routinely dump his exercise riders, once getting free for over 15 minutes after a morning workout. "He fought like a tiger," Riddle later recalled. "He screamed with rage and fought us so hard that it took several days before he could be handled with safety." Feustel brought the colt along slowly and gradually