Sayuri Oka

Sayuri Oka is a Japan long-distance runner, born on September 19, 1990. She competes primarily in the 5000m, 10000m and Marathon.

Her personal bests include 15:50.86 in the 5000m, 32:06.79 in the 10000m, 2:50:30 in the Marathon and 33:24 in the 10Kilometr. She is currently active on the international athletics circuit, representing Japan.