| Diamond League 2019 Shanghai | 400m (Women) | 50.78 | 2 | USA | 2019-05-18 00:00:00 | FINAL | | SB |
| Olympic Games 2024 Paris | 400m Hurdles (Women) 0.762m | 50.37 | 1 | USA | 2024-08-08 00:00:00 | FINAL | | WR,OR |
| Olympic Games 2024 Paris | 400m Hurdles (Women) 0.762m | 52.13 | 1 | USA | 2024-08-06 00:00:00 | SF2 | | |
| Olympic Games 2024 Paris | 400m Hurdles (Women) 0.762m | 53.60 | 1 | USA | 2024-08-04 00:00:00 | H5 | | |
| World Championship 2022 Oregon | 400m Hurdles (Women) 0.762m | 50.68 | 1 | USA | 2022-07-22 00:00:00 | FINAL | | WR |
| World Championship 2022 Oregon | 400m Hurdles (Women) 0.762m | 52.17 | 1 | USA | 2022-07-20 00:00:00 | SF3 | | |
| World Championship 2022 Oregon | 400m Hurdles (Women) 0.762m | 53.95 | 1 | USA | 2022-07-19 00:00:00 | H1 | | |
| Olympic Games 2020 Tokyo | 400m Hurdles (Women) 0.762m | 51.46 | 1 | USA | 2021-08-04 00:00:00 | FINAL | | WR |
| Olympic Games 2020 Tokyo | 400m Hurdles (Women) 0.762m | 53.03 | 1 | USA | 2021-08-02 00:00:00 | SF2 | | |
| Olympic Games 2020 Tokyo | 400m Hurdles (Women) 0.762m | 54.65 | 1 | USA | 2021-07-31 00:00:00 | H3 | | |
| World Championship 2019 Doha | 400m Hurdles (Women) 0.762m | 52.23 | 2 | USA | 2019-10-04 00:00:00 | FINAL | | PB |
| World Championship 2019 Doha | 400m Hurdles (Women) 0.762m | 53.81 | 1 | USA | 2019-10-02 00:00:00 | SF3 | | |
| World Championship 2019 Doha | 400m Hurdles (Women) 0.762m | 54.45 | 1 | USA | 2019-10-01 00:00:00 | H1 | | |
| Diamond League 2019 Zurich | 400m Hurdles (Women) 0.762m | 52.85 | 1 | USA | 2019-08-29 00:00:00 | FINAL | | SB |
| Diamond League 2019 Monaco | 400m Hurdles (Women) 0.762m | 53.32 | 1 | USA | 2019-07-12 00:00:00 | FINAL | | WL |
| Diamond League 2019 Oslo | 400m Hurdles (Women) 0.762m | 54.16 | 1 | USA | 2019-06-13 00:00:00 | FINAL | | |
| Olympic Games 2016 Rio | 400m Hurdles (Women) 0.762m | 56.22 | 5 | USA | 2016-08-16 00:00:00 | SemiFinal 1 | 1135 | |
| Olympic Games 2016 Rio | 400m Hurdles (Women) 0.762m | 56.32 | 5 | USA | 2016-08-15 00:00:00 | Round1 Heat1 | 1132 | |