Chisei Tomono
- 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
Personal bests
WA points calculator →DisciplineResultAll-time2026
300mIse 202433.651,014 pts––
* Wind-assisted (> 2.0 m/s)
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | 200m | 21.00 | +0.8 | May 29, 2026 | 22nd Asian U20 Athletics Championships |
| 2025 | 100m | 10.46 | +2.7 | Jul 13, 2025 | Shizuoka Athletics Championships |
| 2025 | 200m | 20.87 | +1.5 | Jul 12, 2025 | Shizuoka Athletics Championships |
| 2025 | 300m | 33.90 | – | Oct 19, 2025 | 19th JAAF U18 Athletics Competition, Prefectural Stadium, Ise |
| 2024 | 100m | 10.55 | +3.1 | Jul 13, 2024 | Shizuoka Championship |
| 2024 | 200m | 21.45 | +0.1 | Jul 13, 2024 | Shizuoka Championship |
| 2024 | 300m | 33.65 | – | Oct 19, 2024 | 18th JAAF U18 Athletics Competition, Prefectural Stadium, Ise |