[1] She was chosen to represent Japan at the 2010 IAAF World Half Marathon Championships and placed 29th, behind her compatriots Yoshimi Ozaki, Ryoko Kizaki and Hiroko Miyauchi, who won team bronze.

She gave a better performance at the Tokyo Marathon a month later, finishing in a time of 2:28:49 hours behind Russian Tatyana Aryasova.

[1] She was outclassed at the Nagoya Women's Marathon in 2012 placing 21st overall, but fared much better at the 2013 Osaka race, coming sixth.

In her American debut, she led the field to win the Rock 'n' Roll Virginia Beach Half Marathon.

She did not compete over the marathon in the two following seasons, and her profile declined with top ten finishes at lower level Japanese races.