Multiple World Records at Westmont World Cup

At the World Aquatics Swimming World Cup stop in Westmont, Illinois, Regan Smith lowered the American, U.S. Open and World Cup records in the 200m butterfly to 2:00.20. Smith also tied her short-course world record in the 100m backstroke (54.02), breaking World Cup and U.S. Open marks while defeating Kaylee McKeown (55.04). In the women's 200m backstroke, McKeown set a new world record of 1:57.87, with Smith finishing a close second in 1:57.91. Australia’s Mollie O’Callaghan broke the short-course 200m freestyle world record with a 1:49.77 — the first woman under 1:50 — leading an Australian 1–2 with Lani Pallister. The meet produced multiple world records and head-to-head showdowns, underscoring an early-season rivalry among top women’s swimmers.