Tomoya Koga
- Born
- Feb 25, 2006 (20 years old)
- Events
- 10 000 m · Half Marathon
Tomoya Koga is a Japan long-distance runner, born on February 25, 2006. He competes primarily in the 3000m, 5000m and 10000m.
His personal bests include 8:38.03 in the 3000m, 14:15.93 in the 5000m, 29:18.26 in the 10000m, 1:05:13 in the Semi and 14:17 in the 5Kilometre. He is currently active on the international athletics circuit, representing Japan.
Personal best · 10 000 m29:18.26
2025 season best29:18.26May 24, 2025 · Lemon Gas Stadium, Hiratsuka
Personal best · Half Marathon1:05:13
Last competitionTokyo Legacy Half MarathonOct 19, 2025 · 1:05:51
As of Nov 13, 2026: 10 000 m 29:18.26, Half Marathon 1:05:13, 2025 season best 29:18.26 (May 24, 2025, Lemon Gas Stadium, Hiratsuka (JPN)) · Last competition: Tokyo Legacy Half Marathon, Oct 19, 2025, 1:05:51 · 20 years old
Personal bests
WA points calculator →DisciplineResultAll-time
5KilometreTokyo 202514:17–
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2025 | 5Kilometre | 14:17 | – | Apr 13, 2025 | Adidas Tokyo City Run |
| 2025 | 10000m | 29:18.26 | – | May 24, 2025 | Selection Meeting for 57th All Japan Inter-University Ekiden, Lemon Gas Stadium, Hiratsuka |
| 2025 | Semi | 1:05:51 | – | Oct 19, 2025 | Tokyo Legacy Half Marathon |
| 2024 | 3000m | 8:38.03 | – | Mar 30, 2024 | TOKOROZAWA Games |
| 2024 | 5000m | 14:15.93 | – | Jul 14, 2024 | Summer Distance Challenge |
| 2024 | Semi | 1:05:13 | – | Nov 17, 2024 | Ageo City Half Marathon, Ageo |
| 2023 | 5000m | 14:59.32 | – | Jun 16, 2023 | 76th Kita Kyushu High School Athletics Championships |
| 2022 | 5000m | 14:55.37 | – | Apr 9, 2022 | Egao Kenko Stadium, Kumamoto (JPN) |