Kaisei Monma
JapanActive- Born
- Nov 22, 2002 (23 years old)
- Events
- Half Marathon · 3000 m steeplechase
Kaisei Monma is a Japan middle-distance runner, born on November 22, 2002. He competes primarily in the 1500m, 3000m and 5000m.
His personal bests include 4:01.04 in the 1500m, 8:39.50 in the 3000m, 15:03.07 in the 5000m, 31:48.42 in the 10000m and 1:06:54 in the Semi. He is currently active on the international athletics circuit, representing Japan.
Personal best · Half Marathon1:06:54
2025 season best1:08:23Nov 16, 2025 · Ageo
Personal best · 3000 m steeplechase9:22.88
Last competitionAgeo City Half MarathonNov 16, 2025 · 1:08:23
As of Nov 14, 2026: Half Marathon 1:06:54, 3000 m steeplechase 9:22.88, 2025 season best 1:08:23 (Nov 16, 2025, Ageo (JPN)) · Last competition: Ageo City Half Marathon, Nov 16, 2025, 1:08:23 · 23 years old
Personal bests
WA points calculator →DisciplineResultAll-time
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2025 | Semi | 1:08:23 | – | Nov 16, 2025 | Ageo City Half Marathon |
| 2024 | 3000m | 8:39.50 | – | Mar 30, 2024 | TOKOROZAWA Games |
| 2024 | 5Kilometre | 14:54 | – | Sep 29, 2024 | The 5th Waseda University track and field meet |
| 2024 | 5000m | 15:03.07 | – | Apr 6, 2024 | The 57th Tokyo Big 6, Keio Univ. Hiyoshi Athletics Field, Yokohama - Open Event |
| 2024 | 10000m | 31:48.42 | – | Oct 19, 2024 | 6th Waseda University track and field meet Mikio Oda Memorial Athletic Field, Tokorozawa(JPN) |
| 2024 | Semi | 1:08:01 | – | Nov 17, 2024 | Ageo City Half Marathon, Ageo |
| 2023 | 3000mSt | 9:34.19 | – | Apr 2, 2023 | The 56th Tokyo Big6 Track Field League, National Stadium, Tokyo - Open Event |
| 2020 | 1500m | 4:01.04 | – | Aug 23, 2020 | – |