Ryotaro Onuma
JapanActive- Born
- Dec 24, 2003 (22 years old)
- Events
- Half Marathon · 3000 m steeplechase
Ryotaro Onuma is a Japan middle-distance runner, born on December 24, 2003. He competes primarily in the 1500m, 10000m and Semi.
His personal bests include 4:00.23 in the 1500m, 29:56.03 in the 10000m, 1:03:08 in the Semi, 8:48.83 in the 3000mSt and 14:25 in the 5Kilometre. He is currently active on the international athletics circuit, representing Japan.
Personal best · Half Marathon1:03:08
2025 season best1:03:08Nov 16, 2025 · Ageo
Personal best · 3000 m steeplechase8:48.83
Last competitionAgeo City Half MarathonNov 16, 2025 · 1:03:08
As of Nov 13, 2026: Half Marathon 1:03:08, 3000 m steeplechase 8:48.83, 2025 season best 1:03:08 (Nov 16, 2025, Ageo (JPN)) · Last competition: Ageo City Half Marathon, Nov 16, 2025, 1:03:08 · 22 years old
Personal bests
WA points calculator →DisciplineResultAll-time
5KilometreTokyo 202514:25–
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2025 | 5Kilometre | 14:25 | – | Apr 13, 2025 | Adidas Tokyo City Run |
| 2025 | 10000m | 29:56.03 | – | Jul 20, 2025 | 2025 Summer Distance Challenge, Athletic Track, Abashiri |
| 2025 | Semi | 1:03:08 | – | Nov 16, 2025 | Ageo City Half Marathon |
| 2023 | 1500m | 4:00.23 | – | Mar 19, 2023 | KGRR Spring Challenge Meet 2023 |
| 2023 | 3000mSt | 9:04.13 | – | Apr 23, 2023 | All Japan University Track & Field Challenge |
| 2022 | 3000mSt | 8:48.83 | – | Jun 11, 2022 | Yanmar Stadium Nagai, Osaka (JPN) |
| 2022 | 10000m | 30:18.54 | – | Nov 12, 2022 | NITTAIDAI Athletic Stadium, Yokohama (JPN) |
| 2022 | Semi | 1:05:01 | – | Oct 15, 2022 | Tachikawa (JPN) |