Masafumi Kai
- Born
- Dec 22, 1988 (37 years old)
- Events
- 20 km race walk · 35 km race walk
Masafumi Kai is a Japan race walker, born on December 22, 1988. He competes primarily in the 20kmW, 35kmW and 5000m-short-track.
His personal bests include 1:27:54 in the 20kmW, 2:53:03 in the 35kmW and 22:23.05 in the 5000m-short-track. He is currently active on the international athletics circuit, representing Japan.
Personal best · 20 km race walk1:27:54
2025 season best1:38:04Jan 1, 2025 · Tokyo
Personal best · 35 km race walk2:53:03
Last competitionThe University of Tokyo 6th Race Walking Challenge GamesApr 12, 2025 · 22:57.54
As of Oct 27, 2026: 20 km race walk 1:27:54, 35 km race walk 2:53:03, 2025 season best 1:38:04 (Jan 1, 2025, Tokyo (JPN)) · Last competition: The University of Tokyo 6th Race Walking Challenge Games, Apr 12, 2025, 22:57.54 · 37 years old
Personal bests
WA points calculator →DisciplineResultAll-time
20kmWKobe 20131:27:541,026 pts–
35kmWTakahata 20242:53:03947 pts–
5000m-short-trackKitakyushu 202322:23.0527 pts–
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2025 | 5000m-short-track | 22:57.54 | – | Apr 12, 2025 | The University of Tokyo 6th Race Walking Challenge Games |
| 2025 | 20kmW | 1:38:04 | – | Jan 1, 2025 | New Year Race Walk in Tokyo 2025, Tokyo |
| 2024 | 20kmW | 1:36:30 | – | Jan 1, 2024 | 72nd New Year Race Walk in Tokyo 2024 |
| 2024 | 35kmW | 2:53:03 | – | Oct 27, 2024 | 61st All Japan Race Walking |
| 2023 | 20kmW | 22:23.05 | – | May 20, 2023 | 66rd Kyushu Corporate Athletics Championships |
| 2023 | 5000m-short-track | 22:23.05 | – | May 20, 2023 | 66rd Kyushu Corporate Athletics Championships |
| 2022 | 5000m-short-track | 23:31.24 | – | May 21, 2022 | Honjo Athletic Stadium, Kitakyushu (JPN) |
| 2017 | 20kmW | 1:31:43 | – | Feb 19, 2017 | Kobe (JPN) |