Tomohiro Arai
- Born
- Dec 27, 2003 (22 years old)
- Events
- 10 000 m · Half Marathon
Tomohiro Arai is a Japan long-distance runner, born on December 27, 2003. He competes primarily in the 5000m, 10000m and Semi.
His personal bests include 13:44.14 in the 5000m, 28:21.34 in the 10000m, 1:03:12 in the Semi and 1:37:39 in the 30Kilometr. He is currently active on the international athletics circuit, representing Japan.
Personal best · 10 000 m28:21.34
2026 season best13:57Sep 27, 2026
Personal best · Half Marathon1:03:12
Last competitionThe Road of WASEDA/4th Waseda University track and field meetSep 27, 2026 · 13:57
As of Nov 12, 2026: 10 000 m 28:21.34, Half Marathon 1:03:12, 2026 season best 13:57 (Sep 27, 2026) · Last competition: The Road of WASEDA/4th Waseda University track and field meet, Sep 27, 2026, 13:57 · 22 years old
Personal bests
WA points calculator →DisciplineResultAll-time2026
30KilometrOhme 20261:37:39–#11
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | 5Kilometre | 13:57 | – | Sep 27, 2026 | The Road of WASEDA/4th Waseda University track and field meet |
| 2026 | 30Kilometr | 1:37:39 | – | Feb 15, 2026 | 58th The Ohme 30 & 10 km Road Race, Ohme |
| 2025 | 5000m | 13:58.04 | – | Nov 16, 2025 | 18th NITTAIDAI Challenge Games, NITTAIDAI Athletic Stadium, Yokohama |
| 2025 | 10000m | 28:21.34 | – | Nov 29, 2025 | 19th NITTAIDAI Challenge Games |
| 2025 | Semi | 1:03:12 | – | Oct 18, 2025 | The 102nd Hakone Ekiden Qualifying Meet, Showa Kinen Park, Tachikawa |
| 2024 | 5000m | 13:44.14 | – | Nov 10, 2024 | 12th NITTAIDAI Challenge Games, NITTAIDAI Athletic Stadium, Yokohama |
| 2024 | 10000m | 28:53.28 | – | Jul 14, 2024 | Summer Distance Challenge |
| 2024 | Semi | 1:03:58 | – | Mar 10, 2024 | 27th All Japan University Men's Half Marathon Championship |