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| Name: | Isaka, Kenji | 井坂研次 |
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| Club: | |||
| Residence: | Kanagawa Pref. | ||
| Year of birth: | 1975 | (Cat. german: M50) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: M50) | |
| Nationality: | JPN  |
Japan | |
| RunnerID: | 426037 | ||
5 search results (5 Events, 500 km). (More)
| 2025 | 1 Event, 100 km (More) | ||||
|---|---|---|---|---|---|
| 29.06.2025 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 10:43:22 h | Isaka, Kenji | Overall: 523 | M: 470 | Cat M45: 66 | |
| 2019 | 1 Event, 100 km (More) | ||||
| 19.05.2019 | Tokyo Shibamata 100 km (JPN) | 100km | |||
| 10:18:23 h | Isaka, Kenji | Overall: 177 | M: 168 | Cat M40: 27 | |
| 2018 | 1 Event, 100 km (More) | ||||
| 03.06.2018 | Tokyo Shibamata 100 km (JPN) | 100km | |||
| 10:27:44 h | Isaka, Kenji | Overall: 152 | M: 137 | Cat M40: 34 | |
| 2015 | 1 Event, 100 km (More) | ||||
| 06.06.2015 | Tokyo Shibamata 100 km (JPN) | 100km | |||
| 10:15:00 h | Isaka, Kenji | Overall: 173 | M: 168 | Cat M35: 25 | |
| 2013 | 1 Event, 100 km (More) | ||||
| 01.06.2013 | Tokyo Shibamata 100 km (JPN) | 100km | |||
| 10:42:26 h | Isaka, Kenji | *Kanagawa Pref. | Overall: 192 | M: 175 | Cat M35: 28 |
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 | 2019 | 2018 | 2015 | 2013 | |
|---|---|---|---|---|---|---|
| 100km | 10:15:00 |
10:43:22
(2121/807) |
10:18:23
(2048/825) |
10:27:44
(2301/931) |
10:15:00
(2218/923) |
10:42:26
(2613/797) |
Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2019 | 2018 | 2015 | 2013 | ||
|---|---|---|---|---|---|---|
| Tokyo Shibamata 100 km | 4 | 10:18:23 | 10:27:44 | 10:15:00 | 10:42:26 |