Katie Ledecky Kaylee McKeown Caeleb Dressel Lukas Märtens Leon Marchand Chinese Swimmers Torri Huske Record Holders Regan Smith Summer McIntosh Nicolo Martinenghi Sarah Sjostrom Adam Peaty Team USA Kate Douglass Léon Marchand Jack Alexy Irish Athletes Australian Swimmers Katie Grimes Celia Pulido Archie Goodburn US Swimmers Gregorio Paltrinieri Moesha Johnson Oliver Klemet Xu Jiayu Evgenia Chikunova Gretchen Walsh Maggie Mac Neil Drew Kibler Ariarne Titmus Nic Fink French Swimmers Missy Franklin Female Swimmers Training Michael Phelps Lilly King Luke Greenbank Bobby Finke Maxime Grousset Ryan Murphy Qin Haiyang Alex Walsh Chris Guiliano Kristof Milak Competitions Kristof Rasovszky Pan Zhanle Lukas Maertens Kim Woomin Elijah Winnington David Betlehem Matt Grevers Sarah Sjöström