Kokoa Yamazaki
- Born
- Jan 4, 2008 (18 years old)
- Events
- 100 m · 200 m
Kokoa Yamazaki is a Japan sprinter, born on January 4, 2008. She competes primarily in the 100m, 200m and 4x100m.
Her personal bests include 11.53 in the 100m, 24.02 in the 200m, 44.58 in the 4x100m and 7.81 in the 60m. She is currently active on the international athletics circuit, representing Japan.
Personal best · 100 m11.53
2026 season best11.68Oct 3, 2026
Personal best · 200 m24.02
Last competitionNippon Sport Science University Track and Field ChampionshipsOct 24, 2026 · 12.07
As of Nov 8, 2026: 100 m 11.53, 200 m 24.02, 2026 season best 11.68 (Oct 3, 2026) · Last competition: Nippon Sport Science University Track and Field Championships, Oct 24, 2026, 12.07 · 18 years old
Personal bests
WA points calculator →DisciplineResultAll-time
60mIndoorOsaka 20237.81954 pts–
* Wind-assisted (> 2.0 m/s)
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | 100m | 11.68 | +2.6 | Oct 3, 2026 | Japanese U20 Championships, Kusanagi Athletic Stadium, Shizuoka |
| 2026 | 200m | 24.35 | -0.1 | Aug 13, 2026 | 158th Nippon Sport Science University Competition |
| 2025 | 100m | 11.53 | +2.1 | Jul 26, 2025 | 2025 All Japan High School sports Track and Field Championships, Prefectural Stadium, Hiroshima |
| 2025 | 200m | 24.02 | +3.4 | Jul 28, 2025 | 2025 All Japan High School sports Track and Field Championships, Prefectural Stadium, Hiroshima |
| 2025 | 4x100m | 44.58 | – | Oct 5, 2025 | Japan Games, Athletic Stadium, Hikone |
| 2024 | 100m | 11.54 | +2.0 | Oct 11, 2024 | National Sports Festival 2024 Saga |
| 2024 | 200m | 24.17 | -1.0 | Jun 14, 2024 | 77th Hokkaido High School Championships |
| 2023 | 60m Indoor | 7.81 | – | Feb 4, 2023 | 2023 Japan Indoor Meet - U20 & U18 |