
Meri Masuko
- Born
- Apr 15, 2003 (23 years old)
- Events
- 400 m hurdles · 100 m hurdles
Meri Masuko is a Japan sprinter, born on April 15, 2003. She competes primarily in the 200m, 400m and 100mH.
Her personal bests include 25.36 in the 200m, 57.27 in the 400m, 13.65 in the 100mH, 57.33 in the 400mH and 3:38.01 in the 4x400m. She is currently active on the international athletics circuit, representing Japan.
Personal best · 400 m hurdles57.33
2026 season best57.38Jun 13, 2026 · Municipal Mizuho Stadium, Nagoya
Personal best · 100 m hurdles13.65
Last competitionFuji Hokuroku World TrialAug 9, 2026 · 58.87
As of Nov 8, 2026: 400 m hurdles 57.33, 100 m hurdles 13.65, 2026 season best 57.38 (Jun 13, 2026, Municipal Mizuho Stadium, Nagoya (JPN)) · Last competition: Fuji Hokuroku World Trial, Aug 9, 2026, 58.87 · 23 years old
Personal bests
WA points calculator →DisciplineResultAll-time2026
60mHIndoorOsaka 20218.621,024 pts––
* Wind-assisted (> 2.0 m/s)
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | 300m | 38.94 | – | Mar 19, 2026 | Spring Challenge Meet |
| 2026 | 400mH | 57.38 | – | Jun 13, 2026 | Japanese Championships |
| 2025 | 400mH | 57.36 | – | Oct 5, 2025 | Japan Games, Athletic Stadium, Hikone |
| 2025 | 4x400m | 3:41.45 | – | May 11, 2025 | The 104th Kanto Inter-University Track&Field Championships, Gion Stadium, Sagamihara |
| 2024 | 100mH | 13.65 | +3.5 | Jul 21, 2024 | The 19th Twilight Games, AGF Field, Tokyo |
| 2024 | 400mH | 57.33 | – | Oct 13, 2024 | National Sports Festival 2024 Saga |
| 2024 | 4x400m | 3:38.01 | – | Sep 22, 2024 | 93rd Japan Inter-University Athletics Championships |
| 2023 | 100mH | 13.83 | +4.0 | Sep 15, 2023 | 92nd Japan Inter-University Athletics Championships, Prefectural Stadium, Kumagaya |