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| Name: | Koishi, Tatsuya | 小石達也 |
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| Club: | |||
| Residence: | Osaka Pref. | ||
| Year of birth: | (Cat. german: #NA) | ||
| Date of birth: | 00.00.0000 | (Cat. internat.: #NA) | |
| Nationality: | JPN  |
Japan | |
| RunnerID: | 673444 | ||
11 search results (11 Events, 1050 km). (More)
| 2025 | 1 Event, 100 km (More) | ||||
|---|---|---|---|---|---|
| 21.12.2025 | Okinawa 100km Ultramarathon (JPN) | 100km | |||
| 13:16:05 h | Koishi, Tatsuya | *Tokyo | Overall: 409 | M: 325 | Cat #NA: 0 |
| 2024 | 2 Events, 177 km (More) | ||||
| 13.10.2024 | Echigo Kubikino 100km Ultramarathon (JPN) | 100km | |||
| 12:49:59 h | Koishi, Tatsuya | *Tokyo | Overall: 453 | M: 367 | Cat #NA: 0 |
| 19.05.2024 | Saba Highway Ultramarathon (JPN) | 77km | |||
| 10:19:51 h | Koishi, Tatsuya | *Tokyo | Overall: 169 | M: 150 | Cat #NA: 0 |
| 2022 | 1 Event, 103 km (More) | ||||
| 28.05.2022 | Tojinbo 103 Km Ultramarathon (JPN) | 103km | |||
| 13:44:43 h | Koishi, Tatsuya | Overall: 83 | M: 74 | Cat #NA: 0 | |
| 2019 | 1 Event, 100 km (More) | ||||
| 09.06.2019 | Hida Takayama 100 km Ultramarathon (JPN) | 100km | |||
| 12:29:53 h | Koishi, Tatsuya | *Osaka Pref. | Overall: 892 | M: 796 | Cat #NA: 0 |
| 2018 | 2 Events, 200 km (More) | ||||
| 21.10.2018 | Noto Peninsula 100 km Ultra Marathon (JPN) | 100km | |||
| 12:10:32 h | Koishi, Tatsuya | *Ibaraki, Osaka Pref. | Overall: 117 | M: 99 | Cat #NA: 0 |
| 20.05.2018 | Yatsugatake Nobeyama 100 km (JPN) | 100km | |||
| 12:51:55 h | Koishi, Tatsuya | *Osaka Pref. | Overall: 689 | M: 636 | Cat #NA: 0 |
| 2017 | 1 Event, 100 km (More) | ||||
| 23.04.2017 | Fuji 5 Lakes 100 km Challenge (JPN) | 100km | |||
| 11:51:19 h | Koishi, Tatsuya | Overall: 462 | M: 421 | Cat #NA: 0 | |
| 2016 | 2 Events, 200 km (More) | ||||
| 11.09.2016 | 100 km Ultramarathon Hakusan-Shirakawago (JPN) | 100km | |||
| 12:41:41 h | Koishi, Tatsuya | *Osaka Pref. | Overall: 224 | M: 210 | Cat #NA: 0 |
| 24.04.2016 | 100 km Ultra Maranic Osaka (JPN) | 100km | |||
| 11:13:34 h | Koishi, Tatsuya | Overall: 87 | M: 83 | Cat #NA: 0 | |
| 2015 | 1 Event, 70 km (More) | ||||
| 26.04.2015 | 70 km Ultra Maranic Osaka (JPN) | 70km | |||
| 7:34:37 h | Koishi, Tatsuya | Overall: 26 | M: 23 | 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 | 2022 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|
| 100km | 13:16:05 |
13:16:05
(6438/2952) |
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