Naohiro Koyama
- Born
- May 20, 1995 (31 years old)
- Events
- 50 km Race Walk · 10,000 Metres Short Track
Naohiro Koyama is a Japan race walker, born on May 20, 1995. He competes primarily in the 20kmW, 35kmW and 50kmW.
His personal bests include 1:31:38 in the 20kmW, 3:02:14 in the 35kmW, 4:22:18 in the 50kmW, 48:24 in the 10Kilometr and 22:42.29 in the 5000m-short-track. He is currently active on the international athletics circuit, representing Japan.
Personal best · 50 km Race Walk4:22:18
2024 season best1:37:40Jan 1, 2024 · Tokyo
Personal best · 10,000 Metres Short Track44:10.86
Last competition61st All Japan Race WalkingOct 27, 2024 · DNF
As of Oct 28, 2026: 50 km Race Walk 4:22:18, 10,000 Metres Short Track 44:10.86, 2024 season best 1:37:40 (Jan 1, 2024, Tokyo (JPN)) · Last competition: 61st All Japan Race Walking, Oct 27, 2024, DNF · 31 years old
Personal bests
WA points calculator →DisciplineResultAll-time
20kmWTokyo 20201:31:38953 pts–
35kmWWajima 20223:02:14864 pts–
50kmWTakahata 20184:22:18978 pts–
10KilometrWajima 201748:24–
5000m-short-trackTokushima 202322:42.2918 pts–
10,000MetrSasebo 201944:10.86–
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2024 | 20kmW | 1:37:40 | – | Jan 1, 2024 | 72nd New Year Race Walk in Tokyo 2024 |
| 2023 | 5000m-short-track | 22:42.29 | – | May 14, 2023 | 67th Kansai Inter-Corporate Track & Field Championships |
| 2023 | 20kmW | 1:38:57 | – | Jan 1, 2023 | 71st New Year Race Walk |
| 2023 | 35kmW | 3:02:53 | – | Oct 22, 2023 | 60th All Japan Race Walking, Takahata |
| 2022 | 20kmW | 1:37:37 | – | Feb 20, 2022 | Japanese Race Walking Championships |
| 2022 | 35kmW | 3:02:14 | – | Apr 17, 2022 | Japanese Race Walking Championships |
| 2021 | 20kmW | 1:42:05 | – | Mar 21, 2021 | Nomi (JPN) |
| 2020 | 20kmW | 1:31:38 | – | Jan 1, 2020 | Tokyo (JPN) |