Kotaro Yamaji
JapanActive- Born
- Jul 26, 2000 (26 years old)
- Events
- 200 m · 100 m
Kotaro Yamaji is a Japan sprinter, born on July 26, 2000. He competes primarily in the 100m, 200m and 4x100m.
His personal bests include 10.50 in the 100m, 20.58 in the 200m, 39.91 in the 4x100m and 33.68 in the 300m. He is currently active on the international athletics circuit, representing Japan.
Personal best · 200 m20.58
2026 season best20.98May 23, 2026 · Takebishi Stadium, Kyoto
Personal best · 100 m10.50
Last competition3rd SANO SprintOct 3, 2026 · 10.71
As of Nov 7, 2026: 200 m 20.58, 100 m 10.50, 2026 season best 20.98 (May 23, 2026, Takebishi Stadium, Kyoto (JPN)) · Last competition: 3rd SANO Sprint, Oct 3, 2026, 10.71 · 26 years old
Personal bests
WA points calculator →DisciplineResultAll-time2026
300mUtsunomiya 202233.681,012 pts––
* Wind-assisted (> 2.0 m/s)
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | 100m | 10.70 | +0.7 | May 16, 2026 | 68th East Japan Corporate Athletics Championships |
| 2026 | 200m | 20.98 | +0.8 | May 23, 2026 | 70th Kansai Inter-Corporate Track & Field Championships |
| 2025 | 200m | 21.63 | +0.0 | Jul 5, 2025 | Japanese Championships, National Stadium, Tokyo |
| 2024 | 100m | 10.73 | -1.3 | Sep 29, 2024 | Yogibo Athletics Challenge Cup 2024, Denka Big Swan Stadium, Niigata |
| 2024 | 200m | 20.62 | -0.4 | May 3, 2024 | 39th Shizuoka International Athletics Meet, Prefectural Shizuoka Stadium, Fukuroi |
| 2023 | 200m | 20.58 | +2.5 | May 3, 2023 | 38th Shizuoka International Athletics Meet, Prefectural Shizuoka Stadium, Fukuroi |
| 2022 | 100m | 10.62 | +1.5 | Jul 10, 2022 | Prefectural Stadium, Ise (JPN) |
| 2022 | 200m | 20.83 | +0.8 | May 22, 2022 | National Stadium, Tokyo (JPN) |