[1] He represented Japan at the 2019 World Athletics Championships, competing in 20 kilometres walk.

[3] He won a silver medal at 2020 Summer Olympics[4] and the 2022 World Athletics Championships in the same event.

[5] In November 2024, Ikeda was issued with a provisional suspension in relation to an anti-doping rule violation connected with abnormalities in his biological passport.

[6][7] Ikeda publicly refuted breaking ant-doping rules.

This biographical article relating to Japanese athletics is a stub.