Seon NAKAZAWA
JapanActive- Born
- Feb 19, 2004 (22 years old)
- Events
- Marathon · Half Marathon
Seon NAKAZAWA is a Japan long-distance runner, born on February 19, 2004. He competes primarily in the 5000m, 10000m and Semi.
His personal bests include 14:58.87 in the 5000m, 30:31.86 in the 10000m, 1:03:06 in the Semi, 2:11:50 in the Marathon and 14:19 in the 5Kilometre. He is currently active on the international athletics circuit, representing Japan.
Personal best · Marathon2:11:50
2026 season best2:11:50Feb 1, 2026
Personal best · Half Marathon1:03:06
Last competition74th Beppu-Oita Mainichi Marathon, OitaFeb 1, 2026 · 2:11:50
As of Nov 13, 2026: Marathon 2:11:50, Half Marathon 1:03:06, 2026 season best 2:11:50 (Feb 1, 2026) · Last competition: 74th Beppu-Oita Mainichi Marathon, Oita, Feb 1, 2026, 2:11:50 · 22 years old
Personal bests
WA points calculator →DisciplineResultAll-time2026
5KilometreTokyo 202414:19––
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | Marathon | 2:11:50 | – | Feb 1, 2026 | 74th Beppu-Oita Mainichi Marathon, Oita |
| 2025 | Semi | 1:03:06 | – | Oct 18, 2025 | The 102nd Hakone Ekiden Qualifying Meet, Showa Kinen Park, Tachikawa |
| 2024 | 5Kilometre | 14:19 | – | Feb 23, 2024 | ADIZERO 5K Special Race |
| 2024 | 10000m | 30:31.86 | – | Jun 23, 2024 | Selection Meeting for 56th All Japan Inter-University Ekiden, Gion Stadium, Sagamihara |
| 2024 | Semi | 1:05:54 | – | Feb 4, 2024 | 76th Kagawa Marugame International Half Marathon |
| 2023 | Semi | 1:04:48 | – | Oct 14, 2023 | The 100th Hakone Ekiden Qualifying Meet |
| 2022 | 10000m | 31:01.04 | – | Oct 1, 2022 | – |
| 2022 | Semi | 1:04:58 | – | Oct 15, 2022 | – |