| William Reais | |
| Fullname: | William Jeff Reais |
| Birth Date: | 4 May 1999 |
| Height: | 185 cm |
| Country: | Switzerland |
| Sport: | Athletics |
| Event: | 200 metres, 400 metres |
| Club: | LC Zürich |
| Coach: | Florian Clivaz Patrick Saile |
William Reais (born 4 May 1999) is a Swiss sprinter competing primarily in the 200 metres. He competed in the 200 metres at the 2020 Summer Olympics.[1] He also holds the Swiss national indoor record for the same event.
Information from his World Athletics profile unless otherwise noted.
Outdoor
Indoor
| Representing | |||||||
|---|---|---|---|---|---|---|---|
| 2018 | World U20 Championships | Tampere, Finland | 21st (sf) | 200 m | 21.51 | ||
| 9th (h) | 4 x 400 m relay | 3:09.48 | |||||
| 2019 | European U23 Championships | Gävle, Sweden | 4th (sf) | 200 m | 21.47 | ||
| European Team Championships Super League | Bydgoszcz, Poland | 10th (h) | 200 m | 21.32 | |||
| 8th | 4 x 100 m relay | 39.88 | |||||
| 2021 | European U23 Championships | Tallinn, Estonia | bgcolor=gold | 1st | 200 m | 20.47 | |
| Olympic Games | Tokyo, Japan | 17th (sf) | 200 m | 20.44 | |||
| 2022 | World Championships | Eugene, OR, United States | 32nd | 200 m | 20.71 | ||
| European Championships | Munich, Germany | 18th (sf) | 200 m | 20.82 | |||
| 5th | 4 x 100 m relay | 38.36 | |||||
| 2023 | World Championships | Budapest, Hungary | 21st (sf) | 200 m | 20.67 | ||
| 2024 | European Championships | Rome, Italy | 14th (sf) | 100 m | 10.32 | ||
| 3rd | 200 m | 20.47 | |||||
| 5th | 4 × 100 m relay | 38.68 | |||||