Koyuki Yamamoto
- Born
- Dec 3, 2008 (17 years old)
- Events
- 1500 m
Koyuki Yamamoto is a Japan middle-distance runner, born on December 3, 2008. She competes primarily in the 1500m.
She ranks 2841st all-time in the 1500m for Japan. She is currently active on the international athletics circuit, representing Japan.
2025 season best4:57.37Jun 13, 2025
Last competitionKanto High School Championships, Kanseki Stadium, Utsunomiya - South KantoJun 13, 2025 · 4:57.37
As of Nov 15, 2026: 2025 season best 4:57.37 (Jun 13, 2025) · Last competition: Kanto High School Championships, Kanseki Stadium, Utsunomiya - South Kanto, Jun 13, 2025, 4:57.37 · 17 years old
Personal bests
No personal bests
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2025 | 1500m | 4:57.37 | – | Jun 13, 2025 | Kanto High School Championships, Kanseki Stadium, Utsunomiya - South Kanto |
| 2024 | 1500m | 4:50.26 | – | Sep 22, 2024 | Yamanashi High School Rookies' Meeting, JIT Recycled Ink Stadium, Kofu |