Photo: 江戸村のとくぞう—CC BY-SA 4.0
Naoki Okamoto
- Born
- May 26, 1984 (42 years old)
- Events
- Marathon · Half Marathon
Naoki Okamoto is a Japan middle-distance runner, born on May 26, 1984. He competes primarily in the 1500m, 3000m and 5000m.
His personal bests include 3:58.72 in the 1500m, 8:04.79 in the 3000m, 13:37.71 in the 5000m, 28:05.84 in the 10000m and 1:01:25 in the Semi. He is currently active on the international athletics circuit, representing Japan.
Personal best · Marathon2:08:04
2025 season best2:26:51Jun 29, 2025 · Jakarta
Personal best · Half Marathon1:01:25
Last competitionBTN Jakarta International MarathonJun 29, 2025 · 2:26:51
As of Oct 27, 2026: Marathon 2:08:04 (#765 all-time), Half Marathon 1:01:25, 2025 season best 2:26:51 (Jun 29, 2025, Jakarta (INA)) · Last competition: BTN Jakarta International Marathon, Jun 29, 2025, 2:26:51 · 42 years old
Personal bests
WA points calculator →Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2025 | Semi | 1:03:27 | – | Jan 26, 2025 | Osaka Half Marathon |
| 2025 | Marathon | 2:26:51 | – | Jun 29, 2025 | BTN Jakarta International Marathon |
| 2024 | 5000m | 14:27.70 | – | Apr 29, 2024 | 58th Oda Mikio Memorial |
| 2024 | 10000m | 29:41.73 | – | May 11, 2024 | 63rd Chugoku Corporate Athletics Championship |
| 2024 | Semi | 1:05:47 | – | Feb 4, 2024 | 76th Kagawa Marugame International Half Marathon |
| 2024 | Marathon | 2:20:18 | – | Feb 25, 2024 | Osaka Marathon |
| 2023 | 1500m | 3:58.72 | – | May 21, 2023 | 62nd Chugoku Corporate Athletics Championship |
| 2023 | 5000m | 13:57.41 | – | Apr 29, 2023 | 57th Oda Mikio Memorial |