Mayu Yoshii
- Born
- Sep 12, 2005 (21 years old)
- Events
- 800 m · 400 m
Mayu Yoshii is a Japan sprinter, born on September 12, 2005. She competes primarily in the 400m, 800m and 4x400m.
Her personal bests include 55.75 in the 400m, 2:09.11 in the 800m and 3:35.41 in the 4x400m. She has earned 1 gold medal in major international competitions. She is currently active on the international athletics circuit, representing Japan.
Personal best · 800 m2:09.11
2026 season best55.61Aug 8, 2026 · Yanmar Stadium Nagai, Osaka
Personal best · 400 m55.75
Last competition95th Japan Inter-University Athletics ChampionshipsSep 5, 2026 · 55.76
As of Nov 8, 2026: 800 m 2:09.11, 400 m 55.75, 2026 season best 55.61 (Aug 8, 2026, Yanmar Stadium Nagai, Osaka (JPN)) · Last competition: 95th Japan Inter-University Athletics Championships, Sep 5, 2026, 55.76 · 21 years old
Personal bests
WA points calculator →DisciplineResultAll-time
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | 400m | 55.61 | – | Aug 8, 2026 | 1st ICAAK Athletics Games |
| 2026 | 4x400m | 3:41.31 | – | Jun 21, 2026 | The 79th West-Japan Inter-Unversity Track& Field Championships |
| 2025 | 4x400m | 3:35.41 | – | Jun 7, 2025 | 94th Japan Inter-University Athletics Championships |
| 2024 | 400m | 55.75 | – | Nov 2, 2024 | Ecopa Track Games, Prefectural Shizuoka Stadium, Fukuroi |
| 2024 | 800m | 2:09.11 | – | Jun 29, 2024 | Japanese U20 Championships, Denka Big Swan Stadium, Niigata |
| 2024 | 4x400m | 3:40.67 | – | Jul 7, 2024 | West Japan Inter University Track&Field Championships, Hakatanomori Athletic Stadium, Fukuoka |
| 2023 | 800m | 2:11.86 | – | Aug 4, 2023 | Inter-High School Championships, Atsubetsu Park Stadium, Sapporo |
| 2022 | 400m | 57.51 | – | Oct 8, 2022 | Universiade Commemorative Stadium, Kobe (JPN) |