
Kazuya Iwai
- Born
- Mar 24, 2002 (24 years old)
- Events
- Half Marathon Race Walk · 10,000 Metres Short Track
Kazuya Iwai is a Japan race walker, born on March 24, 2002. He competes primarily in the 20kmW, 10Kilometr and 5000m-short-track.
His personal bests include 1:22:31 in the 20kmW, 42:07 in the 10Kilometr, 19:14.65 in the 5000m-short-track, 39:29.18 in the 10,000Metr and 3:01:22 in the MarathonRa. He has earned 1 bronze medal in major international competitions. He is currently active on the international athletics circuit, representing Japan.
Personal best · Half Marathon Race Walk1:22:50
2026 season best1:22:50Feb 15, 2026 · Rokko Island Konan Univ. West side, Kobe
Personal best · 10,000 Metres Short Track39:29.18
Last competitionXXXIX Gran Premio Cantones de A Coruna de MarchaMay 23, 2026 · 1:27:45
As of Nov 7, 2026: Half Marathon Race Walk 1:22:50, 10,000 Metres Short Track 39:29.18, 2026 season best 1:22:50 (Feb 15, 2026, Rokko Island Konan Univ. West side, Kobe (JPN)) · Last competition: XXXIX Gran Premio Cantones de A Coruna de Marcha, May 23, 2026, 1:27:45 · 24 years old
Personal bests
WA points calculator →DisciplineResultAll-time2026
10KilometrKobe 201942:07––
5000m-short-trackKumagaya 202519:14.65236 pts––
10,000MetrYamaguchi 202539:29.18––
MarathonRaTakahata 20253:01:22–#18
HalfMarathKobe 20261:22:50–#16
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | HalfMarath | 1:22:50 | – | Feb 15, 2026 | Japanese Half Marathon Race Walking Championships |
| 2026 | MarathonRa | 3:06:03 | – | Apr 12, 2026 | Caixa World Athletics Race Walking Team Championships Brasilia 26 |
| 2025 | 5000m-short-track | 19:14.65 | – | May 24, 2025 | 67th East Japan Corporate Athletics Championships, Prefectural Stadium, Kumagaya |
| 2025 | 10,000Metr | 39:29.18 | – | Sep 27, 2025 | 73rd Japan Corporate Teams Athletics Championships |
| 2025 | 20kmW | 1:23:03 | – | Jan 1, 2025 | New Year Race Walk in Tokyo 2025, Tokyo |
| 2025 | MarathonRa | 3:01:22 | – | Oct 26, 2025 | 62nd All Japan Race Walking Takahata 2025 |
| 2024 | 20kmW | 1:22:31 | – | Jan 1, 2024 | 72nd New Year Race Walk in Tokyo 2024 |
| 2023 | 10,000Metr | 40:59.13 | – | May 13, 2023 | 102nd Kanto Inter-University Track & Field Championships, Gion Stadium, Sagamihara - 2nd Tier |