Kotaro Nagao
JapanActive- Born
- Jun 13, 2007 (19 years old)
- Events
- 400 m
Kotaro Nagao is a Japan sprinter, born on June 13, 2007. He competes primarily in the 200m, 400m and 4x400m.
His personal bests include 22.12 in the 200m, 47.75 in the 400m, 3:08.63 in the 4x400m, 34.24 in the 300m and 16.81 in the 150m. He is currently active on the international athletics circuit, representing Japan.
Personal best · 400 m47.75
2026 season best47.75Apr 4, 2026 · Takebishi Stadium, Kyoto
Last competitionKansai Inter University Track&Field Rookies ChampionshipsSep 18, 2026 · 49.87
As of Nov 13, 2026: 400 m 47.75, 2026 season best 47.75 (Apr 4, 2026, Takebishi Stadium, Kyoto (JPN)) · Last competition: Kansai Inter University Track&Field Rookies Championships, Sep 18, 2026, 49.87 · 19 years old
Personal bests
WA points calculator →DisciplineResultAll-time2026
300mIse 202434.24964 pts––
150mMatsuyama 202216.81––
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | 400m | 47.75 | – | Apr 4, 2026 | The 90th Kyoto Inter University Track & Field Championships |
| 2026 | 4x400m | 3:08.63 | – | Jun 21, 2026 | The 79th West-Japan Inter-Unversity Track＆ Field Championships |
| 2025 | 200m | 22.12 | +1.4 | Mar 15, 2025 | 16th Takashi Yamada Memorial Athletics Competition, Konoike Athletics Stadium, Nara |
| 2025 | 400m | 47.99 | – | Jun 12, 2025 | 78th National High School Track and Field Championships Kinki Regional Qualifiers |
| 2024 | 300m | 34.24 | – | Oct 19, 2024 | 18th JAAF U18 Athletics Competition, Prefectural Stadium, Ise |
| 2024 | 400m | 48.33 | – | Jun 13, 2024 | 77th Kinki High School Championship, Yanmar Stadium Nagai, Osaka |
| 2022 | 150m | 16.81 | -0.1 | Oct 22, 2022 | Ehime Athletics Stadium, Matsuyama (JPN) |