Career
In the synchronized competition Ishimatsu and Dunnichay earned fifth place scoring 309.12. In the individual event, Ishimatsu finished tenth with a score of 329.00 in the preliminary round, but did not make finals, finishing in 14th place with a score of 292.95. Ishimatsu continued diving in preparation for the 2012 Summer Olympics in London, stating: "Now I know what the experience is like, some of the surprises," Ishimatsu told the Associated Press.
"I"ll be able to deal with it better." However, Ishimatsu failed to secure a return to London, faltering badly on her 4th dive in the June 2012 diving trials in Seattle, Washington.