Photo: Narnabi—CC BY-SA 4.0
Rosemary Wanjiru
KenyaActive- Born
- Dec 9, 1994 (31 years old)
- Birthplace
- Kenya, Kenya
- Events
- 10 Kilometres Road · Marathon
Rosemary Monica Wanjirū (born 9 December 1994) is a Kenyan professional female long-distance runner.
She won the silver medal in the 5000 metres at the 2015 African Games, and represented her country at the 2019 World Athletics Championships, finishing fourth in the 10,000 metres.
Wanjirū won the 2023 Tokyo Marathon and placed second at the 2022 Berlin Marathon. With her Tokyo mark, she sits sixth on the marathon world all-time list. She achieved the second-fastest ever women's marathon debut at the time at the 2022 Berlin Marathon. 2025 Berlin Marathon winner
As of Oct 31, 2026: 10 Kilometres Road 29:50, Marathon 2:16:14 (#11 all-time), 2026 season best 2:24:04 (Sep 27, 2026, Tokyo (JPN)) · Last competition: BMW Berlin Marathon, Sep 27, 2026, 2:24:04 · 31 years old
Personal bests
WA points calculator →Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | Marathon | 2:24:04 | – | Sep 27, 2026 | BMW Berlin Marathon |
| 2025 | 10Kilometr | 33:14 | – | May 18, 2025 | Great Manchester Run |
| 2025 | Marathon | 2:19:57 | – | Mar 2, 2025 | Tokyo Marathon |
| 2024 | Semi | 1:10:53 | – | Dec 15, 2024 | Bangsaen21 Half Marathon |
| 2024 | Marathon | 2:16:14 | – | Mar 3, 2024 | Tokyo Marathon |
| 2023 | 15Kilometr | 48:34 | – | Dec 3, 2023 | Pfixx Solar Montferland Run |
| 2023 | Semi | 1:10:35 | – | Nov 12, 2023 | B.A.A. Half Marathon |
| 2023 | Marathon | 2:16:28 | – | Mar 5, 2023 | Tokyo Marathon |