# Matěj Krsek

Matěj Krsek (born 13 May 2000) is a Czech sprinter specialising in the 400 metres. He was a bronze medalist in the 4 × 400 metres mixed relay at the 2023 World Athletics Championships in Budapest. Ever since 2020, he has been the national champion in the 400 metres, earning the title four times consecutively.

## Biography

Krsek was born on 13 May 2000 in Prague, Czech Republic.

## Career
### 2015–2016

Krsek made his international debut at the 2015 European Youth Olympic Festival in Tbilisi, Georgia. He finished in second place and won the silver medal in the 200 metres. The following year, he would return to Tbilisi for the 2016 European U18 Championships where he finished in seventh place in the 200 metres again.

### 2021–2022

He was an unused member of the Czech relay team at the delayed 2020 Olympic Games in Tokyo in 2021. The following year, he lowered his 400m personal best to 45.55 seconds to win the Czech national title.

### 2023

In March 2023, he finished fifth in the final of the 400 metres at the 2023 European Athletics Indoor Championships in Istanbul.
He was part of the Czech team that won the bronze medal in the 4 × 400 metres mixed relay at the 2023 World Athletics Championships in Budapest in a new national record time of 3:11.98.

### 2024

Selected for the 2024 World Athletics Indoor Championships in Glasgow, he reached the final of the men's 400 meters where he finished in sixth place. He ran as part of the Czech 4x400m relay team at the 2024 World Relays Championships in Nassau, Bahamas. He competed at the 2024 Summer Olympics over 400 metres in August 2024.

### 2025

He was selected for the 2025 European Athletics Indoor Championships in Appeldoorn. He was selected for the 2025 World Athletics Indoor Championships in Nanjing in March 2025.

## Achievements

Information from his World Athletics profile unless otherwise noted.

### Personal bests

* 200 metres — 20.94 (Kladno 2020)
** 200 metres indoor – 21.54 (Leipzig 2019)
* 300 metres — 32.89 (Turnov 2022)
** 300 metres indoor — (Prague 2023)
* 400 metres — 45.53 (Paris 2024)
** 400 metres indoor – 46.03 (Istanbul 2023)

### International competitions

| Year | Competition | Venue | Position | Event | Time | Notes |
| Representing the Czech Republic |||||||
| 2015 | European Youth Olympic Festival | Tbilisi, Georgia | 2nd | 200 m | 21.90 | |
| 2016 | European U18 Championships | Tbilisi, Georgia | 7th | 200 m | 21.69 | |
| 2018 | World U20 Championships | Tampere, Finland | 9th (sf) | 400 m | 46.59 | NU20R |
| 2018 | World U20 Championships | Tampere, Finland | 5th | 4 x 100 m relay | 39.75 | SB |
| 2019 | European U20 Championships | Borås, Sweden | 4th | 400 m | 46.37 | |
| 2019 | European U20 Championships | Borås, Sweden | — | 4 x 100 m relay | DQ | |
| 2019 | European U20 Championships | Borås, Sweden | 2nd | 4 x 400 m relay | 3:08.50 | NU20R |
| 2021 | World Relays | Chorzów, Poland | 10th (h) | 4 x 400 m relay | 3:09.79 | SB |
| 2021 | European U23 Championships | Tallinn, Estonia | 19th (sf) | 400 m | 47.18 | |
| 2021 | European U23 Championships | Tallinn, Estonia | 11th (h) | 4 x 400 m relay | 3:09.79 | |
| 2022 | World Championships | Eugene, OR, United States | 8th | 4 x 400 m relay | 3:01.63 | NR |
| 2022 | European Championships | Munich, Germany | 16th (sf) | 400 m | 45.92 | |
| 2022 | European Championships | Munich, Germany | 6th | 4 x 400 m relay | 3:01.82 | |
| 2023 | European Indoor Championships | Istanbul, Turkey | 5th | 400 m | 46.48 | |
| 2023 | European Team Championships First Division | Chorzów, Poland | 9th | 400 m | 45.75 | SB |
| 2023 | European Team Championships First Division | Chorzów, Poland | 1st | 4 x 400 m relay mixed | 3:12.34 | CR |
| 2023 | World Championships | Budapest, Hungary | 36th (h) | 400 m | 45.99 | |
| 2023 | World Championships | Budapest, Hungary | 12 (h) | 4 x 400 m relay | 3:00.99 | NR |
| 2023 | World Championships | Budapest, Hungary | 3rd | 4 x 400 m relay mixed | 3:11.98 | NR |
| 2024 | World Indoor Championships | Glasgow, United Kingdom | 6th | 400 m | 46.47 |
| 2024 | World Indoor Championships | Glasgow, United Kingdom | – | 4 × 400 m relay | DNF |
| 2024 | European Championships | Rome, Italy | 21st (h) | 400 m | 46.69 |
| 2024 | Olympic Games | Paris, France | 11th (rep) | 400 m | 45.53 |

### National titles

* Czech Athletics Championships (4)
** 400 metres: 2020, 2021, 2022, 2023
* Czech Indoor Athletics Championships
** 400 metres: 2023