I want to be able to look back and say, 'I've done everything I can, and I was successful.' I don't want to look back and say I should have done this or that. I'd like to change things for the younger generation of swimmers coming along.

In his second event the 100-meter butterfly Phelps just edged out Ian Crocker 51. 62. 23.

He expects to do further work with his foundation after the 2012 Olympics which he has said will be his last. Five of those victories were in individual events tying the single Games record. In the 2012 Summer Olympics in London Phelps won four golds and two silver medals making him the most successful athlete of the Games for the third Olympics in a row.