A total of 19 invited runners were announced Monday for the upcoming Osaka Marathon, including Paris Olympics-bound Naoki Koyama and 2018 Asian Games gold medalist Hiroto Inoue.

The Feb. 25 marathon is the first of the two remaining "final challenge" races for Japan's third and last spot in the men's marathon at this summer's Olympics.

Shogo Nakamura, who competed at the Tokyo Olympics in 2021, will also run, but 2018 Boston Marathon winner Yuki Kawauchi will not take part due to an injury, according to organizers of the Osaka race.

Koyama and Akira Akasaki have already clinched their Olympic berths by finishing first and second, respectively, at last October's Marathon Grand Championship in Tokyo.

The Tokyo Marathon, scheduled for March 3, wraps up the competition schedule for Olympic selection.