Rintaro Tomioka
- Born
- Oct 2, 2003 (23 years old)
- Events
- 400 m · 300 Metres
Rintaro Tomioka is a Japan sprinter, born on October 2, 2003. He competes primarily in the 200m, 400m and 4x400m.
His personal bests include 23.13 in the 200m, 49.44 in the 400m, 3:13.81 in the 4x400m and 35.16 in the 300m. He is currently active on the international athletics circuit, representing Japan.
Personal best · 400 m49.44
2025 season best49.67Apr 20, 2025 · Konoike Athletics Stadium, Nara
Personal best · 300 Metres35.16
Last competitionDay one, the 35th Nara City Athletics CircuitApr 20, 2025 · 49.67
As of Nov 13, 2026: 400 m 49.44, 300 Metres 35.16, 2025 season best 49.67 (Apr 20, 2025, Konoike Athletics Stadium, Nara (JPN)) · Last competition: Day one, the 35th Nara City Athletics Circuit, Apr 20, 2025, 49.67 · 23 years old
Personal bests
WA points calculator →DisciplineResultAll-time
300mOkinawa 202535.16889 pts–
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2025 | 300m | 35.16 | – | Mar 9, 2025 | 29th Spring Record Meeting |
| 2025 | 400m | 49.67 | – | Apr 20, 2025 | Day one, the 35th Nara City Athletics Circuit |
| 2024 | 4x400m | 3:13.81 | – | Sep 8, 2024 | 2024 Kansai Inter University Track&Field Rookies Championships and 2024 Dim Light Relay |
| 2023 | 400m | 49.61 | – | Nov 3, 2023 | 5th Nara City Record Meeting |
| 2022 | 200m | 23.13 | +1.1 | Oct 30, 2022 | Yashima Stadium, Takamatsu (JPN) |
| 2022 | 400m | 50.90 | – | Jul 10, 2022 | Prefectural Stadium, Ise (JPN) |
| 2021 | 300m | 35.78 | – | Apr 17, 2021 | Prefectural Stadium, Ise (JPN) |
| 2021 | 400m | 49.44 | – | May 8, 2021 | Prefectural Stadium, Ise (JPN) |