Gretchen Walsh

Gretchen Claire Walsh (born January 29, 2003) is an American competitive swimmer and the world record holder in the 100 meter butterfly, 50 meter freestyle, 50 meter butterfly, 100 meter butterfly, and 100 meter individual medley. She won the silver medal in the 100 meter butterfly at the 2024 Summer Olympics in Paris, where she also set the Olympic record in the 100 meter butterfly in the semifinals with a time of 55.38. She additionally holds one world junior record in the mixed gender 4×100 medley relay event, as well as American records in the 50 meter butterfly, 4×100 meter freestyle relay, 4×100 meter medley relay, 50 meter freestyle, 50 meter backstroke, 50 yard freestyle, 100 yard freestyle, 100 yard butterfly, 100 yard backstroke, 4×50 yard freestyle relay, 4×50 yard medley relay, 4×100 yard freestyle relay, and 4×100 yard medley relay.