Earlier in this meet, she won the 200-yard individual medley (1:58.17) and the 100-yard butterfly (53.02 seconds).

Tonight, she won the 200-yard butterfly by 4 feet in 1:55.75.

About an hour later, Phelps returned to the pool to win the 200-meter butterfly.

Earlier, Pankratov won the 200-meter butterfly, for which he also holds the world record.

Tonight, she won the 100-yard butterfly by 6 feet in 53.02 seconds.

He won the 200-meter butterfly at the Goodwill Games of 1986.

Phelps is, and on Friday night he won the 100 butterfly in 51.84 seconds.

I wanted to win the 100 butterfly and I didn't.

Phelps won the 200-meter butterfly, leading from the first wall to the finish to break his own world record by a stunning 1.62 seconds.

Morales, a senior, won the 200-yard butterfly for the fourth straight year.