Airi Tomonaga

Airi Tomonaga

JapanJapanActive
Born
Dec 5, 2003 (22 years old)
Events
400 m · 200 m

Airi Tomonaga is a Japan sprinter, born on December 5, 2003. She competes primarily in the 100m, 200m and 400m.

Her personal bests include 12.31 in the 100m, 25.43 in the 200m, 55.56 in the 400m, 46.83 in the 4x100m and 3:35.84 in the 4x400Metre. She is currently active on the international athletics circuit, representing Japan.

Personal best · 400 m55.56
2026 season best59.60Jun 19, 2026 · Yanmar Stadium Nagai, Osaka
2026 season best
Personal best · 200 m25.43
Last competition95th Japan Inter-University Athletics ChampionshipsSep 5, 2026 · 59.67
95th Japan Inter-University Athletics Championships

As of Nov 15, 2026: 400 m 55.56, 200 m 25.43, 2026 season best 59.60 (Jun 19, 2026, Yanmar Stadium Nagai, Osaka (JPN)) · Last competition: 95th Japan Inter-University Athletics Championships, Sep 5, 2026, 59.67 · 22 years old

Personal bests

WA points calculator →
DisciplineResultAll-time
100mIzumo 2024Japan 100 m all-time list12.31*931 pts–
200mKyoto 2025Japan 200 m all-time list25.43903 pts–
400mOkayama 2025Japan 400 m all-time list55.56993 pts–
4x100mOkayama 2025Japan 4 × 100 m all-time list46.83–
4x400MetreKochi 20253:35.84–

* Wind-assisted (> 2.0 m/s)

Progression

SeasonDisciplineResultWindDateCompetitions
2026200m 26.15+0.7Jun 20, 2026The 79th West-Japan Inter-Unversity Track＆ Field Championships
20264x100m 48.01–Jun 19, 2026The 79th West-Japan Inter-Unversity Track＆ Field Championships
2026400m 59.60–Jun 19, 2026The 79th West-Japan Inter-Unversity Track＆ Field Championships
2025200m 25.43-1.6Sep 13, 2025The 78th West-Japan Inter-Unversity Athletc Championships
20254x100m 46.83–Jun 5, 202594th Japan Inter-University Athletics Championships
2025400m 55.56–Jun 5, 202594th Japan Inter-University Athletics Championships
20254x400Metre 3:35.84–Aug 24, 202573rd Shikoku Athletics Championships
2024100m 12.31+4.3May 10, 202478th Chugoku-shikoku intercollegiate track and field competition, Hamayama Park Athletic Field, Izumo
FAQ

Frequently asked questions

Airi Tomonaga's 400 m personal best is 55.56, set on Jun 5, 2025 in Prefectural Stadium, Okayama (JPN).

Airi Tomonaga competes in the 400 m and 200 m.

2026 season best: 59.60, set on Jun 19, 2026 in Yanmar Stadium Nagai, Osaka (JPN). Last competition: 95th Japan Inter-University Athletics Championships on Sep 5, 2026, 59.67.