🚨AMERICAN RECORD🚨 Finishing behind the Australian team of Lani Pallister, Jamie Perkins, Brittany Castelluzzo, and Mollie O’Callaghan (7:39.35), Weinstein, Peplowski, Gemmell, and Ledecky set a new AR on night 5 in Singapore 🙌 #swim #swimming #worldchampionships #worldaquatics #teamusa #americanrecord #ledecky