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 reputation. J.L. Dempsey of "The Daily Racing Form" wrote, "Without attempting to detract from the merits of [Upset's] performance, Man o' War proved himself in the running unquestionably the best. It was Upset's advantage at the start, coupled with 15 pounds weight concession, a perfect ride he received from Knapp and his success in saving ground on the stretch turn that brought his triumph over Man o' War. Had the race been a sixteenth farther the finish would have been reversed." Man o' War gained his revenge with a victory in the Grand Union Hotel Stakes on August 23, beating