Yumiko Okamoto

Yumiko Okamoto is a JPN middle-distance runner, born on March 28, 1978. She competes primarily in the 1500m, 5000m and 10000m.

Her personal bests include 4:22.13 in the 1500m, 15:34.64 in the 5000m, 32:17.59 in the 10000m, 1:12:00 in the Semi and 2:32:21 in the Marathon. She is currently active on the international athletics circuit, representing JPN.