Masaki IGARASHI
- Born
- Jan 10, 2004 (22 years old)
- Events
- Half Marathon · 3000 m steeplechase
Masaki IGARASHI is a Japan middle-distance runner, born on January 10, 2004. He competes primarily in the 1500m, 5000m and Semi.
His personal bests include 3:58.96 in the 1500m, 14:21.76 in the 5000m, 1:04:28 in the Semi, 9:15.52 in the 3000mSt and 1:40:18 in the 30Kilometr. He is currently active on the international athletics circuit, representing Japan.
Personal best · Half Marathon1:04:28
2025 season best1:04:28Nov 16, 2025 · Ageo
Personal best · 3000 m steeplechase9:15.52
Last competitionAgeo City Half MarathonNov 16, 2025 · 1:04:28
As of Nov 13, 2026: Half Marathon 1:04:28, 3000 m steeplechase 9:15.52, 2025 season best 1:04:28 (Nov 16, 2025, Ageo (JPN)) · Last competition: Ageo City Half Marathon, Nov 16, 2025, 1:04:28 · 22 years old
Personal bests
WA points calculator →DisciplineResultAll-time
30KilometrTokyo 20251:40:18–
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2025 | Semi | 1:04:28 | – | Nov 16, 2025 | Ageo City Half Marathon |
| 2025 | 30Kilometr | 1:40:18 | – | Feb 16, 2025 | 57th The Ohme 30 & 10 km Road Race |
| 2024 | 5000m | 14:21.76 | – | Jul 14, 2024 | Summer Distance Challenge |
| 2022 | 1500m | 4:00.15 | – | Jul 3, 2022 | NITTAIDAI Athletic Stadium, Yokohama (JPN) |
| 2022 | 5000m | 14:43.15 | – | Jul 16, 2022 | Athletics Stadium, Hadano (JPN) |
| 2021 | 1500m | 3:58.96 | – | Jul 9, 2021 | ND Soft Stadium, Tendo (JPN) |
| 2021 | 3000mSt | 9:15.52 | – | Jun 22, 2021 | Athletic Field, Kitakami (JPN) |
| 2021 | 5000m | 14:36.06 | – | Dec 5, 2021 | NITTAIDAI Athletic Stadium, Yokohama (JPN) |