| Event | Value | Date | Swimmer | Meet | |
|---|---|---|---|---|---|
Butterfly 50 m | 2546 | Aug 26, 2017 | Rikako Ikee Japan | 2017 World Junior Championships Indianapolis, United States | |
Butterfly 100 m | 5643 | Jul 14, 2021 | Claire Curzan United States | 2021 USA Olympic Trials Omaha, United States | |
Butterfly 200 m | 02:0629 | Apr 15, 2017 | Suzuka Hasegawa Japan | 2017 Japanese Championships Nagoya, Japan |
Please visit this site for the official version of WJ