
Natsuko Kaku
- Born
- May 19, 1984 (42 years old)
- Events
- Marathon · 30 Kilometres Road
Natsuko Kaku is a Japan long-distance runner, born on May 19, 1984. He competes primarily in the Marathon and 30Kilometr.
His personal bests include 2:58:20 in the Marathon and 2:06:06 in the 30Kilometr. He is currently active on the international athletics circuit, representing Japan.
Personal best · Marathon2:58:20
2026 season best2:06:44Feb 15, 2026
Personal best · 30 Kilometres Road2:06:06
Last competition58th The Ohme 30 & 10 km Road Race, OhmeFeb 15, 2026 · 2:06:44
As of Nov 12, 2026: Marathon 2:58:20, 30 Kilometres Road 2:06:06, 2026 season best 2:06:44 (Feb 15, 2026) · Last competition: 58th The Ohme 30 & 10 km Road Race, Ohme, Feb 15, 2026, 2:06:44 · 42 years old
Personal bests
WA points calculator →DisciplineResultAll-time2026
30KilometrOhme 20242:06:06–#41
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | 30Kilometr | 2:06:44 | – | Feb 15, 2026 | 58th The Ohme 30 & 10 km Road Race, Ohme |
| 2025 | 30Kilometr | 2:06:10 | – | Feb 16, 2025 | 57th The Ohme 30 & 10 km Road Race |
| 2025 | Marathon | 3:04:07 | – | Jan 26, 2025 | Osaka Women's Marathon |
| 2024 | 30Kilometr | 2:06:06 | – | Feb 18, 2024 | 56th The Ohme 30&10km Road Race |
| 2024 | Marathon | 2:58:20 | – | Jan 28, 2024 | Osaka Women's Marathon |
| 2023 | 30Kilometr | 2:07:28 | – | Feb 19, 2023 | 55th The Ohme 30&10km Road Race |
| 2023 | Marathon | 3:02:48 | – | Mar 5, 2023 | Tokyo Marathon |
| 2022 | Marathon | 3:01:00 | – | Jan 30, 2022 | Osaka Women's Marathon |