
Photo: Anass Sedrati—CC BY-SA 4.0
Alison Dos Santos
- Born
- Jun 3, 2000 (26 years old)
- Birthplace
- São Joaquim da Barra, Brazil
- Events
- 400 m hurdles · 300 Metres Hurdles
Alison dos Santos is a Brazilian track and field athlete born on 3 June 2000 who specializes in the 400 metres hurdles.
He ranks as the third fastest man in the history of the event and holds both the South American and Pan American records in the discipline.
Dos Santos won the world title at the 2022 World Championships and captured the 2022 Diamond League 400m hurdles title that same season. He has also earned bronze medals at both the 2020 Tokyo and 2024 Paris Summer Olympics, along with a gold medal at the 2019 Pan American Games.
As of Oct 28, 2026: 400 m hurdles 46.29 (#3 all-time), 300 Metres Hurdles 33.01, 2026 season best 45.80 (Aug 26, 2026, Egret Stadium, Xiamen (CHN)) · Last competition: South American Games, Sep 22, 2026, 44.99 · Olympic Games: 2 bronze · World Championships: 1 gold, 1 silver · Area record (400 m hurdles) · 26 years old
Personal bests
WA points calculator →Medals
| Competitions | Gold | Silver | Bronze | Total |
|---|---|---|---|---|
| Olympic Games | – | – | 2 | 2 |
| World Championships | 1 | 1 | – | 2 |
| Total | 1 | 1 | 2 | 4 |
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | 200m | 20.39 | +0.7 | Apr 17, 2026 | Tom Jones Memorial |
| 2026 | 300MetresH | 33.01 | – | May 16, 2026 | Wanda Diamond League |
| 2026 | 400m | 44.38 | – | Apr 18, 2026 | Tom Jones Memorial |
| 2026 | 400mH | 45.80 | – | Aug 26, 2026 | Weltklasse Zürich |
| 2025 | 200m | 21.85 | +1.5 | May 17, 2025 | adidas Atlanta City Games, Piedmont Park, Atlanta, GA |
| 2025 | 200MetresH | 21.85 | +1.5 | May 17, 2025 | adidas Atlanta City Games, Piedmont Park, Atlanta, GA |
| 2025 | 300MetresH | 33.38 | – | Jun 12, 2025 | Oslo Bislett Games, Bislett Stadion, Oslo - Diamond Discipline |
| 2025 | 400m | 44.53 | – | May 4, 2025 | Grand Slam Track Miami, Ansin Sports Complex, Miramar, FL |