IRVINE, CALIFORNIA - AUGUST 12: Thomas Heilman of Team United States competes in the Men's 200m Butterfly Final on Day 1 of the Pan Pacific Swimming Championships at William Woollett, Jr. Aquatics Center on August 12, 2026 in Irvine, California. (Photo by Maddie Meyer/Getty Images)

IRVINE, CALIFORNIA - AUGUST 12: Samuel Short of Team Australia celebrates after winning the Men's 800m Freestyle Final on Day 1 of the Pan Pacific Swimming Championships at William Woollett, Jr. Aquatics Center on August 12, 2026 in Irvine, California. (Photo by Maddie Meyer/Getty Images)

IRVINE, CALIFORNIA - AUGUST 12: Samuel Short of Team Australia celebrates after winning the Men's 800m Freestyle Final on Day 1 of the Pan Pacific Swimming Championships at William Woollett, Jr. Aquatics Center on August 12, 2026 in Irvine, California. (Photo by Maddie Meyer/Getty Images)

IRVINE, CALIFORNIA - AUGUST 12: Samuel Short of Team Australia celebrates after winning the Men's 800m Freestyle Final on Day 1 of the Pan Pacific Swimming Championships at William Woollett, Jr. Aquatics Center on August 12, 2026 in Irvine, California. (Photo by Maddie Meyer/Getty Images)

IRVINE, CALIFORNIA - AUGUST 12: Samuel Short of Team Australia celebrates after winning the Men's 800m Freestyle Final on Day 1 of the Pan Pacific Swimming Championships at William Woollett, Jr. Aquatics Center on August 12, 2026 in Irvine, California. (Photo by Maddie Meyer/Getty Images)

IRVINE, CALIFORNIA - AUGUST 12: Samuel Short of Team Australia celebrates after winning the Men's 800m Freestyle Final on Day 1 of the Pan Pacific Swimming Championships at William Woollett, Jr. Aquatics Center on August 12, 2026 in Irvine, California. (Photo by Maddie Meyer/Getty Images)

IRVINE, CALIFORNIA - AUGUST 12: Katie Ledecky of Team United States looks on after winning the Women's 1500m Freestyle Final on Day 1 of the Pan Pacific Swimming Championships at William Woollett, Jr. Aquatics Center on August 12, 2026 in Irvine, California. (Photo by Maddie Meyer/Getty Images)

IRVINE, CALIFORNIA - AUGUST 12: Katie Ledecky of Team United States looks on after winning the Women's 1500m Freestyle Final on Day 1 of the Pan Pacific Swimming Championships at William Woollett, Jr. Aquatics Center on August 12, 2026 in Irvine, California. (Photo by Maddie Meyer/Getty Images)