Cosmas Mwangi Boi
- Born
- Mar 12, 2003 (23 years old)
- Events
- Half Marathon · 10 000 m
Cosmas Mwangi Boi is a Kenya long-distance runner, born on March 12, 2003. He competes primarily in the 3000m, 5000m and 10000m.
His personal bests include 7:54.83 in the 3000m, 13:17.83 in the 5000m, 27:15.58 in the 10000m, 59:27 in the Semi and 27:29 in the 10Kilometr. He is currently active on the international athletics circuit, representing Kenya.
Personal best · Half Marathon59:27
2025 season best59:27Mar 2, 2025 · Roma
Personal best · 10 000 m27:15.58
Last competitionMezza Maratona d’Italia Memorial Enzo Ferrari, MaranelloMar 30, 2025 · 1:00:07
As of Nov 7, 2026: Half Marathon 59:27 (#149 all-time), 10 000 m 27:15.58 (#184 all-time), 2025 season best 59:27 (Mar 2, 2025, Roma (ITA)) · Last competition: Mezza Maratona d’Italia Memorial Enzo Ferrari, Maranello, Mar 30, 2025, 1:00:07 · 23 years old
Personal bests
WA points calculator →DisciplineResultAll-time
10KilometrIbiza 202327:29–
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2025 | Semi | 59:27 | – | Mar 2, 2025 | Eurospin RomaOstia Half Marathon |
| 2024 | 5000m | 13:18.32 | – | Jul 20, 2024 | Hokuren Distance Challenge - Chitose, Aoba Park Athletic Field, Chitose |
| 2024 | 10000m | 27:43.74 | – | Jun 1, 2024 | The 9th NITTAIDAI Challenge Games |
| 2024 | Semi | 1:00:18 | – | Oct 6, 2024 | Principality Cardiff Half Marathon |
| 2023 | 5000m | 13:23.27 | – | May 4, 2023 | 34th Golden Games |
| 2023 | 10000m | 27:24.83 | – | Nov 25, 2023 | Hachioji Long Distance |
| 2023 | 10Kilometr | 27:29 | – | Jan 29, 2023 | 10K Ibiza - Platja d'en Bossa |
| 2023 | Semi | 59:29 | – | Aug 27, 2023 | 21K Buenos Aires Ñandú |