Michael Phelps only holds one long course world record.
Phelps is the long course world record holder in the 100 meter butterfly , 200 meter butterfly , and 400 meter individual medley as well as the former long course world record holder in the 200 meter freestyle and 200 meter individual medley .	individual medley	medley swimming	freestyle	freestyle swimming	long course	Olympic-size swimming pool	100 meter butterfly	World record progression 100 metres butterfly	200 meter butterfly	World record progression 200 metres butterfly	400 meter individual medley	World record progression 400 metres individual medley	200 meter freestyle	World record progression 200 metres freestyle	200 meter individual medley	World record progression 200 metres individual medley
