The Tokyo Marathon was held for the right to participate in the representative selection race of the Paris Olympics, and Kengo Suzuki finished in 4th place, which was the top Japanese athlete with a preliminary time of 2 hours 5 minutes 28 seconds.

The winner was world record holder Eliud Kipchoge of Kenya, who won the gold medal at the Tokyo Olympics last year, with a breaking time of 2 hours 2 minutes 40 seconds.