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| Name: | Niwa, Seiichi | 新輪誠一 |
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| Club: | |||
| Residence: | |||
| Year of birth: | (Cat. german: #NA) | ||
| Date of birth: | 00.00.0000 | (Cat. internat.: #NA) | |
| Nationality: | JPN  |
Japan | |
| RunnerID: | 2029463 | ||
3 search results (3 Events, 200 km). (More)
| 2025 | 1 Event, 100 km (More) | ||||
|---|---|---|---|---|---|
| 29.06.2025 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 12:14:35 h | Niwa, Seiichi | Overall: 1156 | M: 1018 | Cat #NA: 0 | |
| 2024 | 1 Event, 50 km (More) | ||||
| 30.06.2024 | Lake Saroma 50 Km Ultramarathon (JPN) | 50km | |||
| 4:58:46 h | Niwa, Seiichi | Overall: 35 | M: 27 | Cat #NA: 0 | |
| 2023 | 1 Event, 50 km (More) | ||||
| 25.06.2023 | Lake Saroma 50 Km Ultramarathon (JPN) | 50km | |||
| 5:30:20 h | Niwa, Seiichi | Overall: 50 | M: 38 | Cat #NA: 0 | |
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 | |
|---|---|---|---|---|
| 50km | 4:58:46 |
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4:58:46
(6164/54) |
5:30:20
(8338/67) |
| 100km | 12:14:35 |
12:14:35
(4352/1769) |
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Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2023 | ||
|---|---|---|---|---|
| Lake Saroma 50 Km Ultramarathon | 2 | 4:58:46 | 5:30:20 |