Louisville’s Mallory Comerford broke 55 seconds in the women’s 100 free at the 2021 Toyota U.S. Open Championships.
Comerford led the way from start to finish with a winning effort of 54.74, while Arina Openysheva placed second in the event with a 55.23. Cammile Spink closed out the podium in a time of 55.44.