# Jonathan Sacoor

Jonathan Sacoor (born 1 September 1999) is a Belgian sprinter specialising in the 400 metres.

## Career

He first came to prominence early 2018, winning a bronze medal in the 4 × 400 metres relay at the 2018 World Indoor Championships in a new national indoor record of 3:02.51. Later that year, he became the first ever Belgian under-20 athletics world champion by winning the gold medal in the 400m individual race at the 2018 IAAF World U20 Championships. He then followed up this performance with a gold in the 4 × 400 metres relay at the 2018 European Athletics Championships
He was a member of the University of Tennessee track and field team from 2019 to 2021.
In 2024, he was on the team that won the gold for Belgium in the men's 4 × 400 m relay at the World Indoor Championships in Glasgow, Scotland and at the World Athletics Relays in The Bahamas, he was on the teams that qualified Belgium for the 4 × 400 metres mixed relay and the men's 4 × 400 metres relay at the 2024 Summer Olympic Games in Paris, France. Later that same year, he was on the Belgian men's 4 x 400 metres relay team that won the gold medal at the European Athletics Championships and he ran a personal best in the final of the individual 400 metres, finishing 4th and posting for the first time in his career a sub 45 seconds. At the 2024 Summer Olympics, he ran the heats and finals of the mixed and men's 4 × 400 metres relay, finishing 4th in both.
In March 2025, he won a bronze medal at the 2025 European Athletics Indoor Championships in Apeldoorn, The Netherlands as a member of the Belgium men's 4×400 m relay team.

## Personal life

His father is Mozambican, of Portuguese and Indian descent, his mother is Dutch.

## International competitions

| Year | Competition | Venue | Position | Event | Notes |
| Representing Belgium ||||||
| 2015 | European Youth Olympic Festival | Tbilisi, Georgia | 6th | 400 m | 49.86 |
| 2016 | European Youth Championships | Tbilisi, Georgia | 4th | 400 m | 47.71 |
| 2017 | European U20 Championships | Grosseto, Italy | 3rd | 400 m | 46.23 |
| 2018 | World Indoor Championships | Birmingham, United Kingdom | 3rd | 4 × 400 m relay | 3:02.51 |
| 2018 | World U20 Championships | Tampere, Finland | 1st | 400 m | 45.03 |
| 2018 | World U20 Championships | Tampere, Finland | 5th | 4 × 400 m relay | 3:07.05 |
| 2018 | European Championships | Berlin, Germany | 1st | 4 × 400 m relay | 2:59.47 |
| 2019 | World Relays | Yokohama, Japan | 3rd | 4 × 400 m relay | 3:02.70 |
| 2019 | European U23 Championships | Gävle, Sweden | 6th (h) | 4 × 400 m relay | 3:07.43$^1$ |
| 2019 | World Championships | Doha, Qatar | 12th (sf) | 400 m | 45.03 |
| 2019 | World Championships | Doha, Qatar | 3rd | 4 × 400 m relay | 2.58.78 |
| 2021 | Olympic Games | Tokyo, Japan | 22nd (sf) | 400 m | 45.88 |
| 2021 | Olympic Games | Tokyo, Japan | 4th | 4 × 400 m relay | 2:57.88 |
| 2022 | World Indoor Championships | Belgrade, Serbia | 1st | 4 × 400 m relay | 3:06.52 |
| 2022 | World Championships | Eugene, United States | 4th (h) | 4 × 400 m relay | 3:01.96 |
| 2022 | European Championships | Munich, Germany | 4th (h) | 4 × 400 m relay | 3:01.80 |
| 2023 | European Games | Chorzów, Poland | 3rd | 4 × 400 m mixed | 3:12.97 |
| 2024 | World Indoor Championships | Glasgow, Scotland | 1st | 4 × 400 m relay | 3:03.54 |
| 2024 | World Relays | Nassau, Bahamas | 3rd | 4 × 400 m relay | 3:01.16 |
| 2024 | European Championships | Rome, Italy | 1st | 4 × 400 m relay | 2:59.84 EL |
| 2024 | European Championships | Rome, Italy | 4th | 400 m | 44.98 |
| 2024 | European Championships | Rome, Italy | 4th | 4 × 400 m mixed | 3:11.03 |
| 2024 | Olympic Games | Paris, France | 21st (h) | 400 m | 45.08 |
| 2024 | Olympic Games | Paris, France | 4th | 4 × 400 m mixed relay | 3:09.36 NR |
| 2024 | Olympic Games | Paris, France | 4th | 4 × 400 m relay | 2:57.75 NR |
| 2025 | European Indoor Championships | Apeldoorn, Netherlands | 10th (sf) | 400 m | 47.25 |
| 2025 | European Indoor Championships | Apeldoorn, Netherlands | 3rd | 4 × 400 m relay | 3:05.18 SB |
$^1$Did not finish in the final

## Personal bests

Outdoor
* 200 metres – 20.90 (+0.4 m/s, Bruxelles 2024)
* 400 metres – 44.98 (Rome, 2024)
Indoor
* 200 metres – 21.58 (Ghent 2018)
* 400 metres – 46.30 (Apeldoorn 2018)