| Name: | Seki, Masanori | 関正徳 |
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| Club: | |||
| Residence: | Nagasaki Pref. | ||
| Year of birth: | 1973 | (Cat. german: M50) | |
| Date of birth: | 04.03.1973 | (Cat. internat.: M50) | |
| Nationality: | JPN ![]() |
Japan | |
| RunnerID: | 1092613 | ||
10 search results (10 Events, 751 km). (More)
| 2025 | 1 Event, 53 km (More) | ||||
|---|---|---|---|---|---|
| 07.06.2025 | Mizukami Mountain Party (JPN) | 53km | |||
| 11:33:31 h | Seki, Masanori | *Nagasaki Pref. | Overall: 114 | M: 106 | Cat M50: 21 |
| 2024 | 1 Event, 50 km (More) | ||||
| 15.12.2024 | Minami-aso caldera Trail (JPN) | 50km | |||
| 9:15:51 h | Seki, Masanori | Overall: 116 | M: 112 | Cat M50: 12 | |
| 2023 | 1 Event, 66 km (More) | ||||
| 23.07.2023 | Kirishima Ebino-kougen Extreme Trail (JPN) | 66km | |||
| 10:58:09 h | Seki, Masanori | *Nagasaki Pref. | Overall: 147 | M: 135 | Cat M50: 27 |
| 2022 | 2 Events, 227 km (More) | ||||
| 24.07.2022 | Kirishima Ebino-kougen Extreme Trail (JPN) | 60km | |||
| 12:25:31 h | Seki, Masanori | Overall: 232 | M: 204 | Cat M45: 45 | |
| 22.-24.04.2022 | Ultra-Trail Mt. Fuji (UTMF) (JPN) | 167km | |||
| 40:40:41 h | Seki, Masanori | *Nagasaki Pref. | Overall: 1203 | M: 1048 | Cat M45: 286 |
| 2019 | 1 Event, 65 km (More) | ||||
| 19.05.2019 | Osorakan-Trail (JPN) | 65km | |||
| 13:15:51 h | Seki, Masanori | Overall: 207 | M: 195 | Cat M45: 43 | |
| 2018 | 2 Events, 159.5 km (More) | ||||
| 21.07.2018 | Kirishima Ebino-kougen Extreme Trail (JPN) | 67.5km | |||
| 12:15:47 h | Seki, Masanori | Overall: 204 | M: 180 | Cat M45: 36 | |
| 28.-29.04.2018 | Shizuoka to Yamanashi (STY) (JPN) | 92km | |||
| 18:52:11 h | Seki, Masanori | Overall: 363 | M: 298 | Cat M45: 58 | |
| 2017 | 1 Event, 67.5 km (More) | ||||
| 23.07.2017 | Kirishima Ebino-kougen Extreme Trail (JPN) | 67.5km | |||
| 12:22:34 h | Seki, Masanori | *Nagasaki Pref. | Overall: 219 | M: 189 | Cat M40: 48 |
| 2015 | 1 Event, 63 km (More) | ||||
| 21.07.2015 | Kirishima Ebino-kougen Extreme Trail (JPN) | 63km | |||
| 11:06:59 h | Seki, Masanori | *Nagasaki Pref. | Overall: 104 | M: 97 | Cat M40: 22 |
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 | 2025 | 2024 | 2023 | 2022 | 2019 | 2018 | 2017 | 2015 |
|---|
Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2023 | 2022 | 2019 | 2018 | 2017 | 2015 | ||
|---|---|---|---|---|---|---|---|---|---|
| Kirishima Ebino-kougen Extreme Trail | 5 | 10:58:09 | 12:25:31 | 12:15:47 | 12:22:34 | 11:06:59 |





