Chisei Tomono

JapanJapanActive
Born
Sep 28, 2008 (18 years old)
Events
200 m · 100 m

Chisei Tomono is a Japan sprinter, born on September 28, 2008. He competes primarily in the 100m, 200m and 300m.

His personal bests include 10.46 in the 100m, 20.87 in the 200m and 33.65 in the 300m. He is currently active on the international athletics circuit, representing Japan.

Personal best · 200 m20.87
2026 season best21.00May 29, 2026 · Kai Tak Youth Sports Ground, Hong Kong
Personal best · 100 m10.46
Last competition22nd Asian U20 Athletics ChampionshipsMay 30, 2026 · 21.30

As of Nov 13, 2026: 200 m 20.87, 100 m 10.46, 2026 season best 21.00 (May 29, 2026, Kai Tak Youth Sports Ground, Hong Kong (HKG)) · Last competition: 22nd Asian U20 Athletics Championships, May 30, 2026, 21.30 · 18 years old

DisciplineResultAll-time2026
100mShizuoka 2025Japan 100 m all-time list10.46*1,053 pts––
200mShizuoka 2025Japan 200 m all-time list20.871,087 pts–#740
300mIse 202433.651,014 pts––

* Wind-assisted (> 2.0 m/s)

Progression

SeasonDisciplineResultWindDateCompetitions
2026200m 21.00+0.8May 29, 202622nd Asian U20 Athletics Championships
2025100m 10.46+2.7Jul 13, 2025Shizuoka Athletics Championships
2025200m 20.87+1.5Jul 12, 2025Shizuoka Athletics Championships
2025300m 33.90–Oct 19, 202519th JAAF U18 Athletics Competition, Prefectural Stadium, Ise
2024100m 10.55+3.1Jul 13, 2024Shizuoka Championship
2024200m 21.45+0.1Jul 13, 2024Shizuoka Championship
2024300m 33.65–Oct 19, 202418th JAAF U18 Athletics Competition, Prefectural Stadium, Ise
FAQ

Frequently asked questions

Chisei Tomono's 200 m personal best is 20.87, set on Jul 12, 2025 in Kusanagi Athletic Stadium, Shizuoka (JPN).

Chisei Tomono competes in the 200 m and 100 m.

2026 season best: 21.00, set on May 29, 2026 in Kai Tak Youth Sports Ground, Hong Kong (HKG). Last competition: 22nd Asian U20 Athletics Championships on May 30, 2026, 21.30.