On the final day of the World Cup in Tashkent, Russia's Egor Kornev won the men's 50 butterfly in 21.28, a world record four hundredths under Noe Ponti's 21.32 from 2024. He finished nearly seven tenths ahead of Australia's Isaac Cooper and Singapore's Teong Tzen Wei, with a 9.60 first 25 and an 11.