[3] Her first international success came at the 1999 Asian Junior Athletics Championships, where she came second behind China's Li Yurui in the 10,000 metres track walk.

[3] Kawasaki defended her national title in 2005 and competed for Japan at the 2005 World Championships in Athletics, improved upon her previous global level performance by ranking 31st overall.

She closed the year with an appearance at the 2005 East Asian Games, where she was beaten into fourth place by compatriot Sachiko Konishi.

Kawasaki adopted an aggressive walking tactic at the 2009 World Championships in Athletics, but the method did not pay off as she was disqualified for lifting – the first such disqualification in her professional career.

[3] She won her third consecutive Asian title at the end of 2009 and went on to post a high finish of seventh place at the 2010 IAAF World Race Walking Cup.