札幌国際ハーフマラソン
She suffered a stress fracture injury to her foot in April 2008 and only returned to serious competition in 2009. The injury continued to affect her running and she managed only 56th place at the 2010 Chiba Cross Country. The 2011 season saw her return to form and breakthrough into the senior ranks with a win over 5000 m at the Japanese Athletics Championships and then a third-place finish on her half marathon debut at the Sapporo Half Marathon. At the 2011 World Championships in Athletics in Daegu she missed out on qualification in the 5000 m and finished last over 10,000 m.