Isaiah Kosgei
- Born
- Jan 1, 1974 (52 years old)
- Events
- Marathon · 25 Kilometres Road
Isaiah Kosgei is a Kenya long-distance runner, born on January 1, 1974. He competes primarily in the 3000m, 5000m and Semi.
His personal bests include 8:28.40 in the 3000m, 14:42.55 in the 5000m, 1:04:36 in the Semi, 2:09:21 in the Marathon and 45:34 in the 15Kilometr. He is currently active on the international athletics circuit, representing Kenya.
Personal best · Marathon2:09:21
2024 season best2:24:16Sep 29, 2024 · Berlin
Personal best · 25 Kilometres Road1:16:17
Last competitionBMW Berlin Marathon, BerlinSep 29, 2024 · 2:24:16
As of Nov 13, 2026: Marathon 2:09:21, 25 Kilometres Road 1:16:17, 2024 season best 2:24:16 (Sep 29, 2024, Berlin (GER)) · Last competition: BMW Berlin Marathon, Berlin, Sep 29, 2024, 2:24:16 · 52 years old
Personal bests
WA points calculator →DisciplineResultAll-time
15KilometrReeuwijk 200845:34–
10KilometrStadskanaal 201029:56–
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2024 | Marathon | 2:24:16 | – | Sep 29, 2024 | BMW Berlin Marathon, Berlin |
| 2022 | Marathon | 2:26:36 | – | Oct 2, 2022 | Inverness (GBR) |
| 2019 | Marathon | 2:30:35 | – | Apr 14, 2019 | Marathon d'Annecy, Annecy |
| 2018 | Marathon | 2:26:37 | – | Sep 23, 2018 | Inverness (GBR) |
| 2012 | 5000m | 14:42.55 | – | Jul 5, 2012 | Kericho (KEN) |
| 2012 | 25Kilometr | 1:16:17 | – | May 6, 2012 | Berlin (GER) |
| 2012 | Marathon | 2:09:21 | – | Sep 22, 2012 | Hengshui (CHN) |
| 2011 | Marathon | 2:13:46 | – | Sep 18, 2011 | Karlsruhe (GER) |