Overview
- Summer McIntosh claimed her third gold in the women’s 200m butterfly in 2:01.99, setting a meet record and recording the second-fastest swim ever by missing Liu Zige’s 2009 supersuit mark by 0.18 seconds.
- Léon Marchand followed his semifinal world record of 1:52.69 by winning the men’s 200m individual medley in 1:53.68, the second-fastest time in history.
- David Popovici completed his sprint freestyle double with a 100m freestyle victory in 46.51 seconds, the second-quickest swim ever and a championship record.
- Mollie O’Callaghan posted the fastest time in the women’s 100m freestyle heats at 53.40 seconds, positioning her to attempt back-to-back individual sprint titles.
- A gastroenteritis outbreak during a pre-meet camp led to U.S. withdrawals such as Gretchen Walsh and prompted broader race-management adjustments.