International competitions
edit
| Year |
Competition |
Venue |
Position |
Event |
Notes
|
Representing the  Czech Republic
|
| 2015
|
European Junior Championships
|
Eskilstuna, Sweden
|
27th (h)
|
400 m hurdles
|
54.84
|
| 2016
|
European Championships
|
Amsterdam, Netherlands
|
20th (sf)
|
400 m hurdles
|
50.70
|
| 2017
|
World Relays
|
Nassau, Bahamas
|
4th (B)
|
4 × 400 m relay
|
3:08.17
|
| European U23 Championships
|
Bydgoszcz, Poland
|
8th
|
400 m hurdles
|
50.63
|
| Universiade
|
Taipei, Taiwan
|
18th (sf)
|
400 m hurdles
|
51.46
|
| 3rd
|
4 × 400 m relay
|
3:08.14
|
| 2018
|
World Indoor Championships
|
Birmingham, United Kingdom
|
6th (h)
|
4 × 400 m relay
|
3:06.40
|
| European Championships
|
Berlin, Germany
|
16th (h)
|
400 m hurdles
|
51.00
|
| 3rd (h)
|
4 × 400 m relay
|
3:02.52
|
| 2019
|
European Indoor Championships
|
Glasgow, United Kingdom
|
15th (h)
|
400 m
|
47.69
|
| World Relays
|
Yokohama, Japan
|
3rd (B)
|
4 × 400 m relay
|
3:03.79
|
| Universiade
|
Naples, Italy
|
8th
|
400 m hurdles
|
50.86
|
| 5th
|
4 × 400 m relay
|
3:06.78
|
| World Championships
|
Doha, Qatar
|
19th (sf)
|
400 m hurdles
|
49.97
|
| 2021
|
European Indoor Championships
|
Toruń, Poland
|
29th (h)
|
400 m
|
47.60
|
| 2nd
|
4 × 400 m relay
|
3:06.54
|
| Olympic Games
|
Tokyo, Japan
|
22nd (sf)
|
400 m hurdles
|
49.69
|
| 15th (h)
|
4 × 400 m relay
|
3:03.61
|
| 2022
|
World Indoor Championships
|
Belgrade, Serbia
|
5th
|
4 × 400 m relay
|
3:07.98
|
| World Championships
|
Eugene, United States
|
30th (h)
|
400 m hurdles
|
50.71
|
| European Championships
|
Munich, Germany
|
17th (sf)
|
400 m hurdles
|
49.78
|
| 2023
|
World Championships
|
Budapest, Hungary
|
24th (h)
|
400 m hurdles
|
49.37
|
| 12th (h)
|
4 × 400 m relay
|
3:00.99
|
| 2024
|
World Indoor Championships
|
Glasgow, United Kingdom
|
–
|
4 × 400 m relay
|
DNF
|
| European Championships
|
Rome, Italy
|
11th (sf)
|
400 m hurdles
|
49.25
|
| Olympic Games
|
Paris, France
|
8th (rep)
|
400 m hurdles
|
48.96
|
