Chihiro Aihara
- Born
- Aug 1, 1992 (34 years old)
- Events
- 5000 m · 3000 m
Chihiro Aihara is a Japan long-distance runner, born on August 1, 1992. She competes primarily in the 3000m, 5000m and Semi.
Her personal bests include 9:20.81 in the 3000m, 16:03.69 in the 5000m, 1:19:50 in the Semi and 2:48:09 in the Marathon. She is currently active on the international athletics circuit, representing Japan.
Personal best · 5000 m16:03.69
2025 season best1:25:48Feb 2, 2025 · Marugame
Personal best · 3000 m9:20.81
Last competition77th Kagawa Marugame International Half Marathon, MarugameFeb 2, 2025 · 1:25:48
As of Nov 13, 2026: 5000 m 16:03.69, 3000 m 9:20.81, 2025 season best 1:25:48 (Feb 2, 2025, Marugame (JPN)) · Last competition: 77th Kagawa Marugame International Half Marathon, Marugame, Feb 2, 2025, 1:25:48 · 34 years old
Personal bests
WA points calculator →DisciplineResultAll-time
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2025 | Semi | 1:25:48 | – | Feb 2, 2025 | 77th Kagawa Marugame International Half Marathon, Marugame |
| 2024 | Semi | 1:21:48 | – | Feb 4, 2024 | 76th Kagawa Marugame International Half Marathon |
| 2023 | Semi | 1:19:50 | – | Feb 5, 2023 | Kagawa Marugame International Half Marathon |
| 2023 | Marathon | 2:48:41 | – | Mar 12, 2023 | Nagoya Women's Marathon, Nagoya |
| 2020 | Marathon | 3:00:33 | – | Jan 26, 2020 | Osaka Women's Marathon |
| 2018 | Marathon | 2:48:09 | – | Dec 16, 2018 | Hofu (JPN) |
| 2010 | 3000m | 9:20.81 | – | Oct 5, 2010 | Chiba (JPN) |
| 2009 | 5000m | 16:03.69 | – | Oct 6, 2009 | Niigata (JPN) |