![Michael Phelps swims butterfly during his own world record-breaking win in the 400 meter long course individual medley final in a time of 4:08.41 at the U.S. Olympic Swimming Trials in Long Michael Phelps swims butterfly during his own world record-breaking win in the 400 meter long course individual medley final in a time of 4:08.41 at the U.S. Olympic Swimming Trials in Long](https://c8.alamy.com/comp/2CHYWE8/michael-phelps-swims-butterfly-during-his-own-world-record-breaking-win-in-the-400-meter-long-course-individual-medley-final-in-a-time-of-40841-at-the-us-olympic-swimming-trials-in-long-beach-california-july-7-2004-reuterslucy-nicholson-ln-2CHYWE8.jpg)
Michael Phelps swims butterfly during his own world record-breaking win in the 400 meter long course individual medley final in a time of 4:08.41 at the U.S. Olympic Swimming Trials in Long
![Stephanie Rice reacts after setting a new world record during the women's 400 metres individual medley final at the Australian team selection trials for the Beijing 2008 Olympic Games, in Sydney March Stephanie Rice reacts after setting a new world record during the women's 400 metres individual medley final at the Australian team selection trials for the Beijing 2008 Olympic Games, in Sydney March](https://c8.alamy.com/comp/2D1H19G/stephanie-rice-reacts-after-setting-a-new-world-record-during-the-womens-400-metres-individual-medley-final-at-the-australian-team-selection-trials-for-the-beijing-2008-olympic-games-in-sydney-march-22-2008-rice-set-a-world-record-of-four-minutes-3146-seconds-for-the-event-reutersdaniel-munoz-australia-2D1H19G.jpg)
Stephanie Rice reacts after setting a new world record during the women's 400 metres individual medley final at the Australian team selection trials for the Beijing 2008 Olympic Games, in Sydney March
![Katinka Hosszu set a world record in the women's 400 IM. Let the irresponsible doping accusations begin. Katinka Hosszu set a world record in the women's 400 IM. Let the irresponsible doping accusations begin.](https://compote.slate.com/images/04f378c8-79e7-4811-85fc-700fb77d7984.jpg)
Katinka Hosszu set a world record in the women's 400 IM. Let the irresponsible doping accusations begin.
![Australia's Titmus smashes Ledecky's 400m freestyle world record | More sports News - Times of India Australia's Titmus smashes Ledecky's 400m freestyle world record | More sports News - Times of India](https://static.toiimg.com/photo/msid-91723591/91723591.jpg)
Australia's Titmus smashes Ledecky's 400m freestyle world record | More sports News - Times of India
![BREAKING SCORES: Katinka Hosszú Sets New World Record As She Bags Gold On 400 Medley In Rio - Hungary Today BREAKING SCORES: Katinka Hosszú Sets New World Record As She Bags Gold On 400 Medley In Rio - Hungary Today](https://hungarytoday.hu/wp-content/uploads/2016/08/RIOEC8719Q45F_768x432.jpg)