Ryunosuke Mizuno
JapanActive- Born
- Apr 22, 2005 (21 years old)
- Events
- 100 m · 200 m
Ryunosuke Mizuno is a Japan sprinter, born on April 22, 2005. He competes primarily in the 100m, 200m and 4x100m.
His personal bests include 10.14 in the 100m, 20.65 in the 200m, 38.68 in the 4x100m, 3:11.72 in the 4x400m and 33.52 in the 300m. He is currently active on the international athletics circuit, representing Japan.
Personal best · 100 m10.14
2026 season best10.14Jun 12, 2026 · Municipal Mizuho Stadium, Nagoya
Personal best · 200 m20.65
Last competition95th Japan Inter-University Athletics ChampionshipsSep 5, 2026 · 10.50
As of Oct 28, 2026: 100 m 10.14, 200 m 20.65, 2026 season best 10.14 (Jun 12, 2026, Municipal Mizuho Stadium, Nagoya (JPN)) · Last competition: 95th Japan Inter-University Athletics Championships, Sep 5, 2026, 10.50 · 21 years old
Personal bests
WA points calculator →DisciplineResultAll-time2026
4x100mOkayama 202538.68–#435
4x400mSagamihara 20253:11.72––
300mHikone 202533.521,026 pts––
4x200MetreYokohama 20251:24.04––
* Wind-assisted (> 2.0 m/s)
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | 100m | 10.14 | +0.2 | Jun 12, 2026 | Japanese Championships |
| 2026 | 200m | 21.57 | +0.2 | Feb 8, 2026 | SA All Comers Meet 2 |
| 2026 | 4x100m | 39.27 | – | May 22, 2026 | The 105th Kanto Inter-University Track＆Field Championships |
| 2025 | 100m | 10.19 | +1.6 | Sep 27, 2025 | The 36th Rookie Athletics Championships and Relay Competition, Gion Stadium, Sagamihara |
| 2025 | 200m | 20.65 | +4.4 | Sep 28, 2025 | The 36th Rookie Athletics Championships and Relay Competition, Gion Stadium, Sagamihara |
| 2025 | 300m | 33.52 | – | Oct 3, 2025 | Japan Games, Athletic Stadium, Hikone |
| 2025 | 4x100m | 38.68 | – | Jun 5, 2025 | 94th Japan Inter-University Athletics Championships |
| 2025 | 4x200Metre | 1:24.04 | – | Aug 11, 2025 | The 101st WASEDA & KEIO Athletic Meet, Keio Univ. Hiyoshi Athletics Field, Yokohama |