Kazuki Mitsui
- Born
- Jun 9, 2003 (23 years old)
- Events
- 100 m · 60 m
Kazuki Mitsui is a Japan sprinter, born on June 9, 2003. He competes primarily in the 100m, 200m and 4x100m.
His personal bests include 10.31 in the 100m, 22.18 in the 200m, 38.83 in the 4x100m, 6.89 in the 60m and 6.89 in the 60m. He is currently active on the international athletics circuit, representing Japan.
Personal best · 100 m10.31
2025 season best10.33May 9, 2025 · Gion Stadium, Sagamihara
Personal best · 60 m6.89
Last competitionThe 36th Rookie Athletics Championships and Relay Competition, Gion Stadium, SagamiharaSep 26, 2025 · 40.61
As of Nov 6, 2026: 100 m 10.31, 60 m 6.89, 2025 season best 10.33 (May 9, 2025, Gion Stadium, Sagamihara (JPN)) · Last competition: The 36th Rookie Athletics Championships and Relay Competition, Gion Stadium, Sagamihara, Sep 26, 2025, 40.61 · 23 years old
Personal bests
WA points calculator →DisciplineResultAll-time
60mIndoorOsaka 20226.89995 pts–
60m20226.89995 pts–
* Wind-assisted (> 2.0 m/s)
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2025 | 100m | 10.33 | +3.7 | May 9, 2025 | The 104th Kanto Inter-University Track&Field Championships, Gion Stadium, Sagamihara |
| 2025 | 4x100m | 38.83 | – | Jun 6, 2025 | 94th Japan Inter-University Athletics Championships |
| 2024 | 100m | 10.31 | +2.3 | Apr 7, 2024 | 17th Iwakabe Cup, Athletic Park, Ageo |
| 2024 | 4x100m | 39.05 | – | May 9, 2024 | The 103th Kanto Inter-University Track&Field Championships, National Stadium, Tokyo |
| 2023 | 100m | 10.34 | +3.4 | May 11, 2023 | 102nd Kanto Inter-University Track & Field Championships, Gion Stadium, Sagamihara - 2nd Tier |
| 2023 | 4x100m | 39.52 | – | Jul 22, 2023 | The 18th Twilight Games, AGF Field, Tokyo |
| 2022 | 60m | 6.89 | – | Mar 13, 2022 | – |
| 2022 | 60m Indoor | 6.89 | – | Mar 13, 2022 | Osaka Castle Hall, Osaka (JPN) (i) |