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| Name: | Koizumi, Naoyuki | 小泉直幸 |
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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: | 1583869 | ||
5 search results (5 Events, 279 km). (More)
| 2025 | 1 Event, 55 km (More) | ||||
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| 10.05.2025 | Kimitsu Ultra Marathon (JPN) | 55km | |||
| 7:24:15 h | Koizumi, Naoyuki | Overall: 230 | M: 189 | Cat #NA: 0 | |
| 2024 | 1 Event, 55 km (More) | ||||
| 11.05.2024 | Kimitsu Ultra Marathon (JPN) | 55km | |||
| 7:55:44 h | Koizumi, Naoyuki | Overall: 190 | M: 158 | Cat #NA: 0 | |
| 2023 | 1 Event, 55 km (More) | ||||
| 13.05.2023 | Kimitsu Ultra Marathon (JPN) | 55km | |||
| 7:20:44 h | Koizumi, Naoyuki | Overall: 100 | M: 91 | Cat #NA: 0 | |
| 2022 | 1 Event, 57 km (More) | ||||
| 07.05.2022 | Kimitsu Ultra Marathon (JPN) | 57km | |||
| 6:26:09 h | Koizumi, Naoyuki | Overall: 72 | M: 63 | Cat #NA: 0 | |
| 2021 | 1 Event, 57 km (More) | ||||
| 08.05.2021 | Kimitsu Ultra Marathon (JPN) | 57km | |||
| 7:15:27 h | Koizumi, Naoyuki | Overall: 135 | M: 122 | 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 | 2022 | 2021 |
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Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2023 | 2022 | 2021 | ||
|---|---|---|---|---|---|---|
| Kimitsu Ultra Marathon | 5 | 7:24:15 | 7:55:44 | 7:20:44 | 6:26:09 | 7:15:27 |