Photo: Harry mattison—CC BY-SA 4.0
Mary Wacera Ngugi
KenyaActive- Born
- Dec 17, 1988 (37 years old)
- Events
- Marathon · Half Marathon
Mary Ngugi-Cooper (née Wacera Ngugi; born 17 December 1988) is a Kenyan long-distance runner who competes in road running events.
She holds personal bests of 66:29 minutes for the half marathon, 30:50 minutes for the 10K run, and 2:27:36 for the marathon.
As a junior, she was a 5000 metres bronze medallist at the 2006 World Junior Championships in Athletics and the 2007 African junior champion. She is the widow of Samuel Wanjiru, the 2008 Olympic champion in the marathon, and had a daughter with him in 2010.
As of Nov 7, 2026: Marathon 2:19:26 (#68 all-time), Half Marathon 1:06:29 (#97 all-time), 2026 season best 2:17:23 (Oct 11, 2026, Boston, MA (USA)) · Last competition: Bank of America Chicago Marathon, Oct 11, 2026, 2:17:23 · 37 years old
Personal bests
WA points calculator →Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | Marathon | 2:17:23 | – | Oct 11, 2026 | Bank of America Chicago Marathon |
| 2025 | Marathon | 2:19:26 | – | Oct 12, 2025 | Bank of America Chicago Marathon |
| 2024 | Semi | 1:07:38 | – | Mar 3, 2024 | RomaOstia Half Marathon |
| 2024 | Marathon | 2:24:24 | – | Apr 15, 2024 | Boston Marathon |
| 2023 | 10Kilometr | 31:45 | – | Jun 25, 2023 | B.A.A. 10K, Boston, MA |
| 2023 | Marathon | 2:24:33 | – | Apr 17, 2023 | B.A.A. Boston Marathon |
| 2022 | Marathon | 2:20:22 | – | Oct 2, 2022 | TCS London Marathon |
| 2021 | 5Kilometre | 15:54 | – | Apr 5, 2021 | Wigan (GBR) |