Titmus Downs Ledecky in First Showdown, ‘Re-Peaty’ Gold for Britain

Ariarne Titmus (AUS) celebrates after winning the women's 400m freestyle final during the Tokyo 2020 Olympic Summer Games at Tokyo Aquatics Centre on Jul 26, 2021. Robert Hanashiro-USA TODAY Sports

TOKYO—Australia’s Ariarne Titmus defeated five-time Olympic gold medallist Katie Ledecky of the United States to grab gold in a thrilling women’s 400m freestyle final on Monday.