William Koskei
- Born
- Dec 28, 1947 (78 years old)
- Events
- 400 m hurdles · 400 m
William Koskei is a Kenya sprinter, born on December 28, 1947. He competes primarily in the 400m and 400mH.
His personal bests include 45.74 in the 400m and 49.0h in the 400mH. He has earned 2 bronze medals in major international competitions. He is currently active on the international athletics circuit, representing Kenya.
Personal best · 400 m hurdles49.0h
1978 season best50.0hMay 13, 1978 · Nakuru
Personal best · 400 m45.74
As of Oct 28, 2026: 400 m hurdles 49.0h (#520 all-time), 400 m 45.74, 1978 season best 50.0h (May 13, 1978, Nakuru (KEN)) · 78 years old
Personal bests
WA points calculator →Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 1978 | 400mH | 50.0h | – | May 13, 1978 | Nakuru (KEN) |
| 1977 | 400mH | 49.6h | – | Nov 6, 1977 | Nairobi (KEN) |
| 1976 | 400mH | 50.6h | – | May 22, 1976 | Mombasa (KEN) |
| 1975 | 400mH | 49.7h | – | Aug 30, 1975 | Kisumu (KEN) |
| 1974 | 400m | 45.74 | – | Jan 20, 1974 | Christchurch (NZL) |
| 1974 | 400mH | 49.34 | – | Jan 29, 1974 | Christchurch Commonwealth Games |
| 1973 | 400m | 46.2h | – | Oct 13, 1973 | Bungoma (KEN) |
| 1973 | 400mH | 49.97 | – | Aug 5, 1973 | Dakar (SEN) |