| Olympic Games 2020 Tokyo | 400m (Women) | 52.83 | 6 | CZE | 2021-08-03 00:00:00 | H6 | | |
| Diamond League 2020 Rome | 400m (Women) | 52.17 | 5 | CZE | 2020-09-17 00:00:00 | FINAL | | |
| P-T-S Meeting 2020 | 400m (Women) | 52.35 | 3 | CZE | 2020-09-11 00:00:00 | FINAL | | |
| Diamond League 2020 Stockholm | 400m (Women) | 53.13 | 6 | CZE | 2020-08-23 00:00:00 | FINAL | | |
| World U18 Championship 2017 Nairobi | 400m (Women) | 52.74 | 1 | CZE | 2017-07-14 00:00:00 | FINAL | 1098 | PB |
| World U18 Championship 2017 Nairobi | 400m (Women) | 53.77 | 1 | CZE | 2017-07-13 00:00:00 | SF2 | 1059 | PB |
| World U18 Championship 2017 Nairobi | 400m (Women) | 55.56 | 1 | CZE | 2017-07-12 00:00:00 | Heats4 | 992 | |