Risako Iwamoto
- Born
- May 1, 2005 (21 years old)
- Events
- 100 m hurdles
Risako Iwamoto is a Japan sprinter, born on May 1, 2005. She competes primarily in the 200m, 100mH and 400mH.
Her personal bests include 26.71 in the 200m, 15.25 in the 100mH, 1:03.75 in the 400mH, 48.37 in the 4x100m and 43.20 in the 300m. She ranks 725th all-time in the 100mH for Japan. She is currently active on the international athletics circuit, representing Japan.
Personal best · 100 m hurdles15.25
2026 season best43.20Mar 19, 2026 · Fujisawa
Last competitionThe 10th Nihon University CompetitionMar 28, 2026 · 1:03.75
As of Nov 14, 2026: 100 m hurdles 15.25, 2026 season best 43.20 (Mar 19, 2026, Fujisawa (JPN)) · Last competition: The 10th Nihon University Competition, Mar 28, 2026, 1:03.75 · 21 years old
Personal bests
WA points calculator →DisciplineResultAll-time
300mFujisawa 202643.20799 pts–
300MetresHKagoshima 202343.98–
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | 300m | 43.20 | – | Mar 19, 2026 | Spring Challenge Meet |
| 2026 | 400mH | 1:03.75 | – | Mar 28, 2026 | The 10th Nihon University Competition |
| 2025 | 400mH | 1:06.32 | – | Sep 27, 2025 | The 36th Rookie Athletics Championships and Relay Competition, Gion Stadium, Sagamihara |
| 2024 | 100mH | 15.50 | +2.8 | Sep 27, 2024 | 35th Kanto University Rookies Athletics Championships |
| 2024 | 4x100m | 48.37 | – | Sep 28, 2024 | 35th Kanto University Rookies Athletics Championships |
| 2024 | 400mH | 1:05.11 | – | May 11, 2024 | The 103th Kanto Inter-University Track&Field Championships, National Stadium, Tokyo |
| 2023 | 300MetresH | 43.98 | – | Oct 15, 2023 | National Sports Festival |
| 2023 | 400mH | 1:04.89 | – | Aug 3, 2023 | Inter-High School Championships, Atsubetsu Park Stadium, Sapporo |