Aritaka Kajiwara
JapanActive- Born
- Jun 16, 1988 (38 years old)
- Events
- 10 000 m · Half Marathon
Aritaka Kajiwara is a Japan middle-distance runner, born on June 16, 1988. He competes primarily in the 1500m, 3000m and 5000m.
His personal bests include 3:49.00 in the 1500m, 8:02.88 in the 3000m, 13:30.56 in the 5000m, 28:08.21 in the 10000m and 1:01:48 in the Semi. He is currently active on the international athletics circuit, representing Japan.
Personal best · 10 000 m28:08.21
2025 season best14:00.77May 4, 2025 · Nishishina Athletic Stadium, Nobeoka
Personal best · Half Marathon1:01:48
Last competition18th NITTAIDAI Challenge Games, NITTAIDAI Athletic Stadium, YokohamaNov 16, 2025 · 14:24.73
As of Oct 30, 2026: 10 000 m 28:08.21, Half Marathon 1:01:48, 2025 season best 14:00.77 (May 4, 2025, Nishishina Athletic Stadium, Nobeoka (JPN)) · Last competition: 18th NITTAIDAI Challenge Games, NITTAIDAI Athletic Stadium, Yokohama, Nov 16, 2025, 14:24.73 · 38 years old
Personal bests
WA points calculator →Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2025 | 5000m | 14:00.77 | – | May 4, 2025 | 36th Golden Games in Nobeoka |
| 2024 | 5000m | 13:59.82 | – | May 19, 2024 | 66th East Japan Corporate Athletics Championships |
| 2024 | 5Kilometre | 14:55 | – | Mar 31, 2024 | Fukui Sakura Marathon 5K |
| 2024 | 10000m | 30:40.93 | – | Nov 23, 2024 | 2024 Hachioji Long Distance |
| 2023 | 5000m | 13:30.56 | – | May 4, 2023 | 34th Golden Games |
| 2023 | 10000m | 28:08.21 | – | Nov 11, 2023 | 5th NITTAIDAI Challenge Games, NITTAIDAI Athletic Stadium, Yokohama |
| 2022 | 5000m | 13:38.43 | – | Jul 16, 2022 | Aoba Park Athletic Field, Chitose (JPN) |
| 2022 | 10000m | 28:46.79 | – | Oct 1, 2022 | NITTAIDAI Athletic Stadium, Yokohama (JPN) |