Janet Masai
- Born
- Oct 25, 1992 (34 years old)
- Events
- 5000 m · Half Marathon
Janet Masai is a Kenya long-distance runner, born on October 25, 1992. He competes primarily in the 5000m, Semi and Marathon.
His personal bests include 15:57.2h in the 5000m, 1:14:22 in the Semi, 2:48:07 in the Marathon, 53:28 in the 15Kilometr and 34:42 in the 10Kilometr. He is currently active on the international athletics circuit, representing Kenya.
Personal best · 5000 m15:57.2h
2025 season best1:14:22Sep 6, 2025 · Independence Square, Accra
Personal best · Half Marathon1:14:22
Last competitionMillennium Half MarathonSep 6, 2025 · 1:14:22
As of Nov 13, 2026: 5000 m 15:57.2h, Half Marathon 1:14:22, 2025 season best 1:14:22 (Sep 6, 2025, Independence Square, Accra (GHA)) · Last competition: Millennium Half Marathon, Sep 6, 2025, 1:14:22 · 34 years old
Personal bests
WA points calculator →DisciplineResultAll-time
15KilometrSão Paulo 201853:28–
10KilometrSão Paulo 202034:42–
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2025 | Semi | 1:14:22 | – | Sep 6, 2025 | Millennium Half Marathon |
| 2022 | Semi | 1:14:45 | – | Aug 21, 2022 | 24° Rio de Janeiro International Half Marathon |
| 2022 | Marathon | 2:43:43 | – | Jun 12, 2022 | – |
| 2020 | 10Kilometr | 34:42 | – | Feb 9, 2020 | Asics Golden Run |
| 2020 | Semi | 1:16:55 | – | Feb 2, 2020 | Meia Maratona do São Paulo, São Paulo |
| 2019 | 10Kilometr | 35:01 | – | Nov 24, 2019 | Eldoret (KEN) |
| 2019 | 15Kilometr | 55:07 | – | Dec 31, 2019 | Corrida Internacional de São Silvestre |
| 2019 | Marathon | 3:01:35 | – | Jun 23, 2019 | Marathon |