An Kojima
JapanActive- Born
- Jan 1, 2006 (20 years old)
- Events
- 400 m
An Kojima is a Japan sprinter, born on January 1, 2006. She competes primarily in the 400m and 4x400m.
Her personal bests include 58.81 in the 400m and 3:50.13 in the 4x400m. She is currently active on the international athletics circuit, representing Japan.
Personal best · 400 m58.81
2026 season best62.66Apr 2, 2026 · Yanmar Stadium Nagai, Osaka
Last competition74th Osaka Inter University Track&Field Championships and 92nd Hyogo Inter University Track&FieldApr 2, 2026 · 62.66
As of Nov 14, 2026: 400 m 58.81, 2026 season best 62.66 (Apr 2, 2026, Yanmar Stadium Nagai, Osaka (JPN)) · Last competition: 74th Osaka Inter University Track&Field Championships and 92nd Hyogo Inter University Track&Field, Apr 2, 2026, 62.66 · 20 years old
Personal bests
WA points calculator →DisciplineResultAll-time
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | 400m | 62.66 | – | Apr 2, 2026 | 74th Osaka Inter University Track&Field Championships and 92nd Hyogo Inter University Track&Field |
| 2025 | 400m | 60.55 | – | May 4, 2025 | The 102nd Kansai Inter University Track&Field Championships |
| 2024 | 400m | 60.50 | – | May 22, 2024 | The 101st Kansai Inter University Track&Field Championships, Takebishi Stadium, Kyoto |
| 2023 | 400m | 58.81 | – | Jul 16, 2023 | 78th Ehime Championships |
| 2023 | 4x400m | 3:50.13 | – | Jun 19, 2023 | 76th Shikoku Highschool Championships |
| 2022 | 400m | 59.57 | – | Oct 30, 2022 | Ehime Athletics Stadium, Matsuyama (JPN) |