Leon Marchand and Summer McIntosh sealed their golden swimming world championships with dominant victories on Sunday's final day as the United States signed off with a relay record. https://www.japantimes.co.jp/sports/2025/08/04/more-sports/swimming-worlds-final-day/?utm_medium=Social&utm_source=mastodon #moresports #leonmarchand #summermcintosh #worldaquaticschampionships