| Name: | Kosaka, Kenichi | 小坂憲一 |
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| Club: | 京を走ル | ||
| Residence: | Hyogo Pref. | ||
| Year of birth: | 1967 | (Cat. german: M55) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: M55) | |
| Nationality: | JPN ![]() |
Japan | |
| RunnerID: | 366828 | ||
13 search results (13 Events, 1103 km). (More)
| 2025 | 1 Event, 88 km (More) | ||||
|---|---|---|---|---|---|
| 28.09.2025 | Muraoka 88 km Ultra Marathon (JPN) | 88km | |||
| 13:40:40 h | Kosaka, Kenichi | 京を走ル | Overall: 180 | M: 121 | Cat M55: 31 |
| 2024 | 1 Event, 64 km (More) | ||||
| 29.09.2024 | Muraoka 64 km Ultra Marathon (JPN) | 64km | |||
| 9:51:33 h | Kosaka, Kenichi | 京を走ル | Overall: 192 | M: 140 | Cat M55: 27 |
| 2023 | 1 Event, 60 km (More) | ||||
| 15.10.2023 | River Shimanto 60km (JPN) | 60km | |||
| 8:40:15 h | Kosaka, Kenichi | Overall: 292 | M: 217 | Cat M55: 15 | |
| 2022 | 1 Event, 45 km (More) | ||||
| 29.09.2022 | Muraoka 45 km Ultra Marathon (JPN) | 45km | |||
| 6:19:12 h | Kosaka, Kenichi | *Akashi City | Overall: 664 | M: 510 | Cat M50: 95 |
| 2019 | 1 Event, 100 km (More) | ||||
| 29.09.2019 | Muraoka 100 km Ultra Marathon (JPN) | 100km | |||
| 13:37:13 h | Kosaka, Kenichi | *Akashi, Hyogo Pref. | Overall: 375 | M: 325 | Cat M50: 51 |
| 2017 | 1 Event, 100 km (More) | ||||
| 28.05.2017 | Ebisu-Daikoku 100 km Marathon (JPN) | 100km | |||
| 12:55:25 h | Kosaka, Kenichi | *Akashi, Hyogo Pref. | Overall: 211 | M: 188 | Cat M45: 37 |
| 2015 | 1 Event, 100 km (More) | ||||
| 27.09.2015 | Muraoka 100 km Ultra Marathon (JPN) | 100km | |||
| 12:32:33 h | Kosaka, Kenichi | Overall: 187 | M: 170 | Cat M45: 35 | |
| 2014 | 1 Event, 100 km (More) | ||||
| 28.09.2014 | Muraoka 100 km Ultra Marathon (JPN) | 100km | |||
| 12:12:03 h | Kosaka, Kenichi | Overall: 149 | M: 144 | Cat M45: 32 | |
| 2013 | 2 Events, 188 km (More) | ||||
| 20.10.2013 | River Shimanto 100km (JPN) | 100km | |||
| 11:42:18 h | Kosaka, Kenichi | *Hyogo Pref. | Overall: 342 | M: 305 | Cat M45: 48 |
| 29.09.2013 | Muraoka 88 km Ultra Marathon (JPN) | 88km | |||
| 11:37:58 h | Kosaka, Kenichi | Overall: 43 | M: 37 | Cat M45: 9 | |
| 2012 | 1 Event, 100 km (More) | ||||
| 27.05.2012 | Ebisu-Daikoku 100 km Marathon (JPN) | 100km | |||
| 12:05:30 h | Kosaka, Kenichi | *Akashi, Hyogo Pref. | Overall: 123 | M: 108 | Cat M40: 19 |
| 2011 | 2 Events, 158 km (More) | ||||
| 25.09.2011 | Muraoka 88 km Ultra Marathon (JPN) | 88km | |||
| 10:42:59 h | Kosaka, Kenichi | Overall: 24 | M: 21 | Cat M40: 6 | |
| 03.05.2011 | Mukogawa Yurikamome Ultra Marathon (JPN) | 70km | |||
| 7:10:11 h | Kosaka, Kenichi | Overall: 158 | M: 144 | Cat M40: 30 | |
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 | 2017 | 2015 | 2014 | 2013 | 2012 | 2011 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 100km | 11:42:18 |
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11:42:18
(4260/1445) |
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Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2023 | 2022 | 2019 | 2017 | 2015 | 2014 | 2013 | 2012 | 2011 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Muraoka 88 km Ultra Marathon | 3 | 13:40:40 | 11:37:58 | 10:42:59 | ||||||||
| Muraoka 100 km Ultra Marathon | 3 | 13:37:13 | 12:32:33 | 12:12:03 | ||||||||
| Ebisu-Daikoku 100 km Marathon | 2 | 12:55:25 | 12:05:30 |





