| Olympic Games 2024 Paris | 400m (Women) | 52.15 | 5 | CZE | 2024-08-06 00:00:00 | Repechage4 | | |
| Olympic Games 2024 Paris | 400m (Women) | 51.80 | 5 | CZE | 2024-08-05 00:00:00 | H6 | | |
| World Championship 2023 Budapest | 400m (Women) | 51.50 | 7 | CZE | 2023-08-21 00:00:00 | SF1 | | |
| World Championship 2023 Budapest | 400m (Women) | 50.92 | 4 | CZE | 2023-08-20 00:00:00 | H6 | | PB |
| World Championship 2022 Oregon | 400m (Women) | 51.47 | 6 | CZE | 2022-07-20 00:00:00 | SF3 | | |
| World Championship 2022 Oregon | 400m (Women) | 51.55 | 4 | CZE | 2022-07-17 00:00:00 | H6 | | |
| Diamond League 2022 Rabat | 400m (Women) | 52.07 | 5 | CZE | 2022-06-05 00:00:00 | FINAL | | |
| Olympic Games 2020 Tokyo | 400m (Women) | 51.62 | 8 | CZE | 2021-08-04 00:00:00 | SF1 | | |
| Olympic Games 2020 Tokyo | 400m (Women) | 51.14 | 3 | CZE | 2021-08-03 00:00:00 | H3 | | PB |
| Diamond League 2020 Stockholm | 400m (Women) | 52.44 | 5 | CZE | 2020-08-23 00:00:00 | FINAL | | |
| Gyulai István Memorial 2020 | 400m (Women) | 52.58 | 6 | CZE | 2020-08-19 00:00:00 | FINAL | | |
| Diamond League 2020 Monaco | 400m (Women) | 52.13 | 5 | CZE | 2020-08-14 00:00:00 | FINAL | | |
| World Championship 2019 Doha | 400m (Women) | 52.25 | 8 | CZE | 2019-10-01 00:00:00 | SF2 | | |
| World Championship 2019 Doha | 400m (Women) | 52.23 | 3 | CZE | 2019-09-30 00:00:00 | H1 | | |
| European Championship 2018 Berlin | 400m (Women) | 53.21 | 6 | CZE | 2018-08-08 00:00:00 | H2 | | PB |
| World Indoor Championship 2022 Belgrade | 400m (Women) Indoor | 52.94 | 3 | CZE | 2022-03-18 00:00:00 | H3 | | |