De Grasse next competed in the heats of the 200 m, qualifying automatically as the third man in his heat with 20.56. This had him again in the unfavourable ninth lane when in his semi-final, where he set a new personal best and national record of 19.73, the fastest time in the semi-final phase. De Grasse then went on to win the gold medal in the 200m final in a personal best and Canadian record time of 19.62 seconds, making him the 8th fastest of all-time over 200 metres. This was Canada's first track gold medal since 1996, and first gold medal in the 200m since Percy Williams' victory in 1928. De Grasse was the only male sprinter to compete in both the 100 and 200 m races in Tokyo.