William Collazo
- Born
- Aug 31, 1986 (40 years old)
- Birthplace
- Antilla, Cuba
- Events
- 400 m · 300 Metres Short Track
William Collazo Gutiérrez (born 31 August 1986 in Antilla, Holguín) is a Cuban sprinter who specializes in the 400 metres.
Personal best · 400 m44.93
2017 season best46.61Mar 15, 2017 · La Habana
Personal best · 300 Metres Short Track32.74
Last competitionIAAF World Championships in Athletics, Olympic Stadium, LondonAug 13, 2017 · 3:01.10
As of Oct 27, 2026: 400 m 44.93 (#349 all-time), 300 Metres Short Track 32.74, 2017 season best 46.61 (Mar 15, 2017, La Habana (CUB)) · Last competition: IAAF World Championships in Athletics, Olympic Stadium, London, Aug 13, 2017, 3:01.10 · 40 years old
Personal bests
WA points calculator →Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2017 | 400m | 46.61 | – | Mar 15, 2017 | La Habana (CUB) |
| 2017 | 4x400m | 3:01.10 | – | Aug 13, 2017 | IAAF World Championships in Athletics, Olympic Stadium, London |
| 2016 | 200m | 21.65 | -0.9 | Jun 5, 2016 | Monterrey (MEX) |
| 2016 | 400m | 45.92 | – | May 15, 2016 | Rio de Janeiro (BRA) |
| 2016 | 4x400m | 2:59.53 | – | Aug 20, 2016 | The XXXI Olympic Games |
| 2015 | 400m | 45.95 | – | May 26, 2015 | La Habana (CUB) |
| 2015 | 4x400m | 2:59.80 | – | Aug 29, 2015 | IAAF World Championships, National Stadium, Beijing |
| 2014 | 400m | 45.95 | – | May 17, 2014 | Port-of-Spain (TTO) |