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| Name: | Seki, Masaaki | 関正明 |
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| Club: | |||
| Residence: | Niigata Pref. | ||
| Year of birth: | 1985 | (Cat. german: M40) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: M40) | |
| Nationality: | JPN  |
Japan | |
| RunnerID: | 972410 | ||
9 search results (9 Events, 791.433 km). (More)
| 2026 | 1 Event, 167 km (More) | ||||
|---|---|---|---|---|---|
| 24.-25.04.2026 | Ultra-Trail Mt. Fuji (UTMF) (JPN) | 167km | |||
| 39:09:48 h | Seki, Masaaki | Overall: 646 | M: 588 | Cat M40: 126 | |
| 2025 | 3 Events, 316.433 km (More) | ||||
| 01.-02.11.2025 | Last Samurai Standing Backyard Ultra - Niigata (JPN) | 38h | |||
| 73.766 km | Seki, Masaaki | Overall: 16 | M: 15 | Cat M35: 3 | |
| 13.-15.09.2025 | Shinetsu Five Mountains Trail 100 mile (JPN) | 162.2 km | |||
| 32:09:12 h | Seki, Masaaki | Overall: 224 | M: 202 | Cat M35: 31 | |
| 19.-20.04.2025 | Nishikan 3 Peaks Ultra Challenge (JPN) | 50mi | |||
| 18:43:15 h | Seki, Masaaki | Overall: 5 | M: 3 | Cat M35: 1 | |
| 2024 | 1 Event, 48 km (More) | ||||
| 15.06.2024 | KTF Trail running race - Rockin Bear (JPN) | 48km | |||
| 8:36:06 h | Seki, Masaaki | *Niigata Pref. | Overall: 372 | M: 314 | Cat M35: 53 |
| 2023 | 1 Event, 50 km (More) | ||||
| 17.06.2023 | KTF Trail running race - Rockin Bear (JPN) | 50 km | |||
| 7:38:29 h | Seki, Masaaki | *Niigata Pref. | Overall: 230 | M: 199 | Cat M35: 22 |
| 2022 | 2 Events, 157 km (More) | ||||
| 18.-19.09.2022 | Shinetsu Five Mountains Trail 110km (JPN) | 109 km | |||
| 21:57:18 h | Seki, Masaaki | *Niigata Pref. | Overall: 358 | M: 301 | Cat M35: 47 |
| 25.06.2022 | KTF Trail running race - Rockin Bear (JPN) | 48km | |||
| 9:42:54 h | Seki, Masaaki | *Niigata Pref. | Overall: 290 | M: 237 | Cat M35: 27 |
| 2017 | 1 Event, 53 km (More) | ||||
| 18.06.2017 | Echigo Country Trail (JPN) | 53km | |||
| 9:13:42 h | Seki, Masaaki | *Niigata Pref. | Overall: 195 | M: 173 | Cat M23: 42 |
Personal bests
Your list of personal best performances only contains performances of races which can be included into rankings.
In brackets rank in yearly international/national rankings.
| PB | 2026 | 2025 | 2024 | 2023 | 2022 | 2017 |
|---|
Comparison table
Comparison of performances in races with multiple participations
| 2026 | 2025 | 2024 | 2023 | 2022 | 2017 | ||
|---|---|---|---|---|---|---|---|
| KTF Trail running race - Rockin Bear | 3 | 8:36:06 | 7:38:29 | 9:42:54 |