He announced his return two years later .
According to the YouTube description , the video shows 11 - year - old Michael Phelps competing in a 50 - meter butterfly race in 1997 .
Michael Phelps announced Michael Phelps ' return two years later .
According to the YouTube description , the video shows 11 - year - old Michael Phelps competing in a 50 - meter butterfly race in 1997 .