1. Léon Marchand, France: 200 breaststroke, 200 butterfly, 200 and 400 individual medley
2. Ariarne Titmus, Australia: 200, 400 and 800 freestyle
3. Summer McIntosh, Canada: 200 butterfly, 400 freestyle, 200 and 400 IM
4. Kaylee McKeown, Australia: 100 and 200 backstroke, 200 IM
5. Zhang Yufei, China: 50 freestyle, 100 and 200 butterfly
one of 11 Chinese swimmers involved in a doping scandal
6. David Popovici, Romania: 100 and 200 freestyle
7. Pan Zhanle, China: 50, 100 and 200 freestyle
8. Sarah Sjöström, Sweden: 50 and 100 freestyle
Gretchen Walsh’s 100 butterfly at U.S. trials
9. Kristóf Milák, Hungary: 100 and 200 butterfly
This article originally appeared on For The Win: 9 international swimming stars to know for the Paris Olympics, including Ariarne Titmus and Léon Marchand