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 Raise A Native, who is an almost "omnipresent name in American pedigrees". Some modern breeders design matings to concentrate the influence of Man o' War through deep inbreeding. For example, he appears at least 22 times in the bloodline of American Pharoah, the 2015 Triple Crown winner. Man o' War was retired from stud in 1943 after suffering a heart attack. He died on November 1, 1947 at age 30 of another apparent heart attack, a short time after Harbut died. His funeral was broadcast live on NBC Radio. Kentucky horseman Ira Drymon said, "He touched the imagination of men