Speed skate https://koputokiryo.com/%e3%80%90%e8%8b%b1%e5%ad%97%e6%96%b0%e8%81%9e%e8%aa%ad%e8%a7%a3%e3%81%ae%e3%82%b3%e3%83%84%ef%bc%81%e3%80%91%e3%82%aa%e3%83%aa%e3%83%b3%e3%83%94%e3%83%83%e3%82%af%e9%81%b8%e6%89%8b%e3%81%af%e8%87%aa/speed-skate/