Koharu Yokoyama
- Born
- Mar 19, 2008 (18 years old)
- Events
- 400 m
Koharu Yokoyama is a Japan sprinter, born on March 19, 2008. She competes primarily in the 400m, 800m and 300m.
Her personal bests include 57.95 in the 400m, 2:19.71 in the 800m and 41.43 in the 300m. She is currently active on the international athletics circuit, representing Japan.
Personal best · 400 m57.95
2025 season best57.95Jun 13, 2025 · New Aomori Sports Park, Aomori
Last competition2025 All Japan High School sports Track and Field Championships, Prefectural Stadium, HiroshimaJul 25, 2025 · 58.45
As of Nov 14, 2026: 400 m 57.95, 2025 season best 57.95 (Jun 13, 2025, New Aomori Sports Park, Aomori (JPN)) · Last competition: 2025 All Japan High School sports Track and Field Championships, Prefectural Stadium, Hiroshima, Jul 25, 2025, 58.45 · 18 years old
Personal bests
WA points calculator →DisciplineResultAll-time
300mRifu 202541.43885 pts–
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2025 | 300m | 41.43 | – | Jul 4, 2025 | Miyagi Athletics Championships |
| 2025 | 400m | 57.95 | – | Jun 13, 2025 | 80th Tohoku High School Meeting, New Aomori Sports Park, Aomori |
| 2025 | 800m | 2:19.89 | – | Jun 15, 2025 | 80th Tohoku High School Meeting, New Aomori Sports Park, Aomori |
| 2024 | 400m | 58.28 | – | Jun 14, 2024 | 79th Tohoku High School Meeting, Azuma Stadium, Fukushima |
| 2024 | 800m | 2:19.71 | – | Sep 29, 2024 | 29th Tohoku High School Rookies' Championships |