Riku Kawaguchi
- Born
- Sep 29, 2004 (22 years old)
- Events
- 400 m · 200 m
Riku Kawaguchi is a Japan sprinter, born on September 29, 2004. He competes primarily in the 100m, 200m and 400m.
His personal bests include 11.16 in the 100m, 22.18 in the 200m, 48.61 in the 400m, 3:09.87 in the 4x400m and 35.19 in the 300m. He is currently active on the international athletics circuit, representing Japan.
Personal best · 400 m48.61
2026 season best49.56Mar 20, 2026 · Nagai Stadium No. 2, Osaka
Personal best · 200 m22.18
Last competition1st ICAAK Athletics GamesAug 8, 2026 · 50.73
As of Nov 14, 2026: 400 m 48.61, 200 m 22.18, 2026 season best 49.56 (Mar 20, 2026, Nagai Stadium No. 2, Osaka (JPN)) · Last competition: 1st ICAAK Athletics Games, Aug 8, 2026, 50.73 · 22 years old
Personal bests
WA points calculator →DisciplineResultAll-time
300mKobe 202235.19886 pts–
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | 400m | 49.56 | – | Mar 20, 2026 | the second ICAAK track and field game |
| 2025 | 100m | 11.19 | -0.6 | Mar 8, 2025 | 29th Spring Record Meeting |
| 2025 | 200m | 22.56 | -1.9 | Aug 12, 2025 | 2025 the first ICAAK athletic games, Takebishi Stadium, Kyoto |
| 2025 | 400m | 49.23 | – | Sep 12, 2025 | The 78th West-Japan Inter-Unversity Athletc Championships |
| 2025 | 4x400m | 3:09.87 | – | Sep 13, 2025 | The 78th West-Japan Inter-Unversity Athletc Championships |
| 2024 | 100m | 11.16 | +0.1 | Aug 9, 2024 | 2024 1st ICAAK Athletics Games, Yanmar Stadium Nagai, Osaka |
| 2024 | 200m | 22.43 | +0.9 | Aug 10, 2024 | 2024 1st ICAAK Athletics Games, Yanmar Stadium Nagai, Osaka |
| 2024 | 400m | 48.61= | – | Jul 5, 2024 | West Japan Inter University Track&Field Championships, Hakatanomori Athletic Stadium, Fukuoka |