Rea Koshiuchi
- Born
- Dec 25, 2007 (18 years old)
- Events
- 400 m
Rea Koshiuchi is a Japan sprinter, born on December 25, 2007. She competes primarily in the 100m, 200m and 400m.
Her personal bests include 12.88 in the 100m, 25.20 in the 200m and 55.65 in the 400m. She is currently active on the international athletics circuit, representing Japan.
Personal best · 400 m55.65
2025 season best55.65Jul 25, 2025 · Prefectural Stadium, Hiroshima
Last competition2025 All Japan High School sports Track and Field Championships, Prefectural Stadium, HiroshimaJul 26, 2025 · 56.15
As of Nov 15, 2026: 400 m 55.65, 2025 season best 55.65 (Jul 25, 2025, Prefectural Stadium, Hiroshima (JPN)) · Last competition: 2025 All Japan High School sports Track and Field Championships, Prefectural Stadium, Hiroshima, Jul 26, 2025, 56.15 · 18 years old
Personal bests
WA points calculator →DisciplineResultAll-time
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2025 | 200m | 25.20 | +0.6 | Jun 14, 2025 | 78th National High School Track and Field Championships Kinki Regional Qualifiers |
| 2025 | 400m | 55.65 | – | Jul 25, 2025 | 2025 All Japan High School sports Track and Field Championships, Prefectural Stadium, Hiroshima |
| 2024 | 100m | 12.88 | +0.1 | Jun 14, 2024 | 77th Kinki High School Championship, Yanmar Stadium Nagai, Osaka |
| 2024 | 200m | 26.07 | -0.1 | Sep 13, 2024 | Kinki High School Rookies' Championships |
| 2024 | 400m | 58.07 | – | Sep 14, 2024 | Kinki High School Rookies' Championships |