Naoki Aiba
JapanActive- Born
- Jan 24, 1991 (35 years old)
- Events
- Marathon · 10 000 m
Naoki Aiba is a Japan long-distance runner, born on January 24, 1991. He competes primarily in the 5000m, 10000m and Semi.
His personal bests include 13:39.57 in the 5000m, 27:48.26 in the 10000m, 1:01:42 in the Semi, 2:07:36 in the Marathon and 46:07 in the 10MilesRoa. He is currently active on the international athletics circuit, representing Japan.
Personal best · Marathon2:07:36
2026 season best2:07:36Feb 22, 2026 · Osaka
Personal best · 10 000 m27:48.26
Last competition22nd Nittaidai Challenge GamesMay 31, 2026 · 13:55.60
As of Oct 27, 2026: Marathon 2:07:36, 10 000 m 27:48.26 (#779 all-time), 2026 season best 2:07:36 (Feb 22, 2026, Osaka (JPN)) · Last competition: 22nd Nittaidai Challenge Games, May 31, 2026, 13:55.60 · 35 years old
Personal bests
WA points calculator →Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | 5000m | 13:44.93 | – | Apr 29, 2026 | 60th Oda Mikio Memorial |
| 2026 | 10000m | 28:36.27 | – | May 9, 2026 | 65th Chugoku Corporate Athletics Championship |
| 2026 | Marathon | 2:07:36 | – | Feb 22, 2026 | Osaka Marathon |
| 2025 | 5000m | 13:52.06 | – | Jul 19, 2025 | HOKUREN Distance Challenge 2025 in ABASHIRI, Athletic Track, Abashiri |
| 2025 | Semi | 1:03:02 | – | Feb 9, 2025 | 53rd Yamaguchi All-Corporate Half Marathon Championships, Ishin Me-Life Stadium, Yamaguchi |
| 2025 | Marathon | 2:11:39 | – | Aug 31, 2025 | Hokkaido Marathon, Sapporo |
| 2024 | 5000m | 13:39.57 | – | Jun 1, 2024 | The 9th NITTAIDAI Challenge Games |
| 2024 | 10000m | 28:55.45 | – | May 11, 2024 | 63rd Chugoku Corporate Athletics Championship |