Kotaro Ihara
- Born
- Jan 2, 2007 (19 years old)
- Events
- Decathlon · 400 m
Kotaro Ihara is a Japan sprinter, born on January 2, 2007. He competes primarily in the 100m, 400m and 1500m.
His personal bests include 11.13 in the 100m, 49.90 in the 400m, 4:32.87 in the 1500m, 16.08 in the 110mH and 1.85 in the HJ. He is currently active on the international athletics circuit, representing Japan.
Personal best · Decathlon6339
2026 season best6548May 9, 2026
Personal best · 400 m49.90
Last competition8th Kyushu Kyoritsu University Challenge MeetOct 31, 2026 · 6.91
As of Nov 13, 2026: Decathlon 6339, 400 m 49.90, 2026 season best 6548 (May 9, 2026) · Last competition: 8th Kyushu Kyoritsu University Challenge Meet, Oct 31, 2026, 6.91 · 19 years old
Personal bests
WA points calculator →DisciplineResultAll-time2026
* Wind-assisted (> 2.0 m/s)
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | HJ | 1.81 | – | May 28, 2026 | 22nd Asian U20 Athletics Championships |
| 2026 | PV | 4.20 | – | Jul 18, 2026 | 5th Kyushu Kyoritsu University Challenge Meet |
| 2026 | LJ | 6.91 | +0.5 | Oct 31, 2026 | 8th Kyushu Kyoritsu University Challenge Meet |
| 2026 | 100m | 11.08 | +2.9 | Oct 17, 2026 | 7th Kyushu Kyoritsu University Challenge Meet |
| 2026 | ShotPut(6k | 11.61 | – | Jun 6, 2026 | Japanese U20 Combined Events Championships |
| 2026 | SP | 11.91 | – | Mar 21, 2026 | 10th Kyushu Kyoritsu University Challenge Meet |
| 2026 | 110MetresH | 15.12 | – | May 23, 2026 | 3rd Kyushu Kyoritsu University Challenge Meet, Kyushu Kyoritsu University Stadium, Kitakyushu |
| 2026 | 110mH | 15.62 | +3.8 | Apr 2, 2026 | 1st Kyushu Kyoritsu University Challenge Meet |