5th fastest performance of all time. Ledecky is still doing it🔥 The fastest performances of all time: Katie Ledecky, 4:24.06 (2017 NCAAs) Katie Ledecky, 4:25.15 (2017 Pac 12s) Katie Ledecky, 4:26.08 (2025 UF-FSU Dual Meet Time Trial) Katie Ledecky, 4:26.09 (2018 Pac-12s) Katie Ledecky, 4:26.43 (2025 UF-UGA Dual Meet Time Trial) GOAT. #swim #swimming #ncaaswimdive #collegeswimming #floridagators #katieledecky #goat #olympics #olympian