She qualified herself for the 2009 World Championships in Berlin and she came in second in a time of 2:25:25, only ten seconds behind Chinese winner Bai Xue. Competing at the 2010 All Japan Corporate Team Half Marathon Championships, she took second place behind defending champion Filomena Cheyech, although her performance as the top finishing Japanese athlete earned her a place on the 2010 IAAF World Half Marathon Championships squad. She finished ninth at the championships in Nanning, a placing which led the Japanese women to the team bronze medal.