After graduating high school in the spring of 2002, she moved from Kyoto to Chiba so as to strengthen her abilities in Triathlon. That same year, she became the Junior Asian Champion. Since 2003, she has been an Elite Triathlete.

In 2005, she was ranked 1st in Japan. She won a silver medal in the 2006 the Asian Games in Doha.

In the 2008 Asian Triathlon Championship, she dramatically came from behind to win. Her bold and aggressive run won her a way into the Olympics. The spectators are always carried away by her performance.