Kaisei Okada
JapanActive- Born
- Aug 30, 2005 (21 years old)
- Events
- 10 000 m · Half Marathon
Kaisei Okada is a Japan middle-distance runner, born on August 30, 2005. He competes primarily in the 800m, 1500m and 3000m.
His personal bests include 1:55.73 in the 800m, 3:53.47 in the 1500m, 8:30.70 in the 3000m, 7:59.59 in the 3000m and 13:19.44 in the 5000m. He is currently active on the international athletics circuit, representing Japan.
Personal best · 10 000 m27:37.06
2026 season best28:31.56Mar 28, 2026 · JSerra Catholic HS, San Juan Capistrano, CA
Personal best · Half Marathon1:01:11
Last competitionSunset Tour, Jack Kemp Stadium - Occidental College, Los Angeles, CAJul 11, 2026 · 13:19.77
As of Oct 28, 2026: 10 000 m 27:37.06 (#495 all-time), Half Marathon 1:01:11, 2026 season best 28:31.56 (Mar 28, 2026, JSerra Catholic HS, San Juan Capistrano, CA (USA)) · Last competition: Sunset Tour, Jack Kemp Stadium - Occidental College, Los Angeles, CA, Jul 11, 2026, 13:19.77 · 21 years old
Personal bests
WA points calculator →Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | MileRoad | 3:57.9h | – | Jun 20, 2026 | Ginza Road Mile, Tokyo |
| 2026 | 5000m | 13:19.44 | – | May 4, 2026 | 37th Golden Games in Nobeoka |
| 2026 | 10000m | 28:31.56 | – | Mar 28, 2026 | The TEN |
| 2026 | CrossCount | 29:42 | – | Feb 21, 2026 | 18th Asian Cross Country Championships, Uminonakamichi Seaside Park Cross Country Course, Fukuoka - XC 10.0km |
| 2025 | 3000m-short-track Indoor | 7:59.59 | – | Feb 14, 2025 | Boston University David Hemery Valentine Invitational |
| 2025 | 3000m Indoor | 7:59.59 | – | Feb 14, 2025 | Boston University David Hemery Valentine Invitational |
| 2025 | 5000m | 13:38.37 | – | Apr 12, 2025 | 33rd Kanakuri Memorial Middle and Long Distance Invitational Meet, Egao Kenko Stadium, Kumamoto |
| 2025 | 5Kilometre | 13:41 | – | Sep 28, 2025 | The Road of Waseda |