On that day, Kowalski ran the 100 metres in 34.50, threw the shot put 4.27 and the discus 7.50. By competing in those events, he surpassed the accomplishments of John Whittemore, who competed at 104 years 10 months. M100 world record holder Hidekichi Miyazaki turned 105 on September 22, 2015 and two days later joined Kowalski as the second competitor in the division though Kowalski was 77 days older when he competed.