She won the 2013 Tokyo Marathon, her first race of the year, and was six seconds off the course record in windy conditions.
In spite of her age she remained one the best international runners and took third place at the 2013 Tokyo Marathon (a new addition to the World Marathon Majors circuit).
A new personal best of 2:08:00 came at the 2013 Tokyo Marathon, where he was the first Japanese with his fourth place finish.
The 2013 Tokyo Marathon saw Ozaki finish as the top Japanese in fifth place.
Tokyo | 2013 ATP Challenger Tour | 2013 | marathon | 2013 ATP World Tour | Boston Marathon | University of Tokyo | 2013 Southeast Asian Games | London Marathon | 2013 ITF Women's Circuit | New York City Marathon | Marathon | 2013 WTA Tour | 2013 Island Games | Tokyo Dome | Eurovision Song Contest 2013 | Shibuya, Tokyo | 2013 Mediterranean Games | World Marathon Cup | Tokyo Police Club | Tokyo Bay | Big East Conference (1979–2013) | 2013 World Aquatics Championships | 2013–14 figure skating season | Boston Marathon bombings | Tokyo Broadcasting System | Shinjuku, Tokyo | Miss Universe 2013 | Malaysian general election, 2013 | European Marathon Cup |