Tomoki Maruyama
- Born
- Aug 5, 2006 (20 years old)
- Events
- 400 m · 300 Metres
Tomoki Maruyama is a Japan sprinter, born on August 5, 2006. He competes primarily in the 100m, 200m and 400m.
His personal bests include 10.93 in the 100m, 22.12 in the 200m, 48.09 in the 400m, 3:11.29 in the 4x400m and 34.86 in the 300m. He is currently active on the international athletics circuit, representing Japan.
Personal best · 400 m48.09
2026 season best48.58Apr 5, 2026 · Keio Univ. Hiyoshi Athletics Field, Yokohama
Personal best · 300 Metres34.86
Last competitionThe 102nd WASEDA & KEIO Athletic MeetAug 11, 2026 · 49.22
As of Nov 13, 2026: 400 m 48.09, 300 Metres 34.86, 2026 season best 48.58 (Apr 5, 2026, Keio Univ. Hiyoshi Athletics Field, Yokohama (JPN)) · Last competition: The 102nd WASEDA & KEIO Athletic Meet, Aug 11, 2026, 49.22 · 20 years old
Personal bests
WA points calculator →DisciplineResultAll-time
300mMatsuyama 202234.86913 pts–
* Wind-assisted (> 2.0 m/s)
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | 400m | 48.58 | – | Apr 5, 2026 | The 59th Tokyo Big6 Track Field League |
| 2026 | 4x400m | 3:11.29 | – | May 23, 2026 | The 105th Kanto Inter-University Track&Field Championships |
| 2025 | 400m | 48.47 | – | Jul 19, 2025 | 79th Niigata Pref Championships |
| 2024 | 200m | 22.12 | +0.8 | Jul 14, 2024 | 78th Niigata Pref Championships |
| 2024 | 400m | 48.09 | – | Jun 14, 2024 | 2024 Hokushinetsu High School Championships, Denka Big Swan Stadium, Niigata |
| 2023 | 200m | 22.45 | +0.0 | Jul 16, 2023 | 77th Niigata Prefectural Championships, Denka Big Swan Stadium, Niigata |
| 2023 | 300m | 35.40 | – | Oct 21, 2023 | 17th JAAF U18 Athletics Competition |
| 2023 | 400m | 48.66 | – | Jul 15, 2023 | 77th Niigata Prefectural Championships, Denka Big Swan Stadium, Niigata |