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| Name: | Koku, Riyuuzi | 谷竜治 |
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| Club: | |||
| Residence: | Aomori Pref. | ||
| Year of birth: | 1972 | (Cat. german: M50) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: M50) | |
| Nationality: | JPN  |
Japan | |
| RunnerID: | 754184 | ||
12 search results (12 Events, 1200 km). (More)
| 2025 | 1 Event, 100 km (More) | ||||
|---|---|---|---|---|---|
| 08.06.2025 | Iwate Ginga 100km Marathon Challenge (JPN) | 100km | |||
| 12:29:23 h | Koku, Riyuuzi | *Aomori Pref. | Overall: 335 | M: 294 | Cat M50: 58 |
| 2024 | 1 Event, 100 km (More) | ||||
| 09.06.2024 | Iwate Ginga 100km Marathon Challenge (JPN) | 100km | |||
| 13:17:45 h | Koku, Riyuuzi | *Aomori Pref. | Overall: 536 | M: 454 | Cat M50: 91 |
| 2023 | 2 Events, 200 km (More) | ||||
| 24.09.2023 | Akita Nairiku 100km Marathon (JPN) | 100km | |||
| 12:44:44 h | Koku, Riyuuzi | Overall: 387 | M: 326 | Cat M50: 66 | |
| 11.06.2023 | Iwate Ginga 100km Marathon Challenge (JPN) | 100km | |||
| 13:01:09 h | Koku, Riyuuzi | *Aomori Pref. | Overall: 370 | M: 322 | Cat M50: 63 |
| 2022 | 2 Events, 200 km (More) | ||||
| 25.09.2022 | Akita Nairiku 100km Marathon (JPN) | 100km | |||
| 12:47:14 h | Koku, Riyuuzi | Overall: 288 | M: 245 | Cat M45: 47 | |
| 12.06.2022 | Iwate Ginga 100km Marathon Challenge (JPN) | 100km | |||
| 12:25:31 h | Koku, Riyuuzi | *Aomori Pref. | Overall: 370 | M: 333 | Cat M45: 74 |
| 2019 | 2 Events, 200 km (More) | ||||
| 22.09.2019 | Akita Nairiku 100km Marathon (JPN) | 100km | |||
| 11:54:26 h | Koku, Riyuuzi | *Aomori Pref. | Overall: 272 | M: 240 | Cat M45: 47 |
| 09.06.2019 | Iwate Ginga 100km Marathon Challenge (JPN) | 100km | |||
| 10:55:41 h | Koku, Riyuuzi | *Aomori Pref. | Overall: 125 | M: 113 | Cat M45: 21 |
| 2018 | 1 Event, 100 km (More) | ||||
| 23.09.2018 | Akita Nairiku 100km Marathon (JPN) | 100km | |||
| 12:57:20 h | Koku, Riyuuzi | *Aomori Pref. | Overall: 491 | M: 413 | Cat M45: 80 |
| 2017 | 2 Events, 200 km (More) | ||||
| 24.09.2017 | Akita Nairiku 100km Marathon (JPN) | 100km | |||
| 12:41:27 h | Koku, Riyuuzi | *Aomori | Overall: 376 | M: 327 | Cat M40: 51 |
| 11.06.2017 | Iwate Ginga 100km Marathon Challenge (JPN) | 100km | |||
| 12:36:35 h | Koku, Riyuuzi | *Aomori Pref. | Overall: 595 | M: 533 | Cat M40: 105 |
| 2015 | 1 Event, 100 km (More) | ||||
| 27.09.2015 | Akita Nairiku 100km Marathon (JPN) | 100km | |||
| 12:39:19 h | Koku, Riyuuzi | *Aomori | Overall: 541 | M: 460 | Cat M40: 78 |
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 | 2018 | 2017 | 2015 |
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Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2023 | 2022 | 2019 | 2018 | 2017 | 2015 | ||
|---|---|---|---|---|---|---|---|---|---|
| Akita Nairiku 100km Marathon | 6 | 12:44:44 | 12:47:14 | 11:54:26 | 12:57:20 | 12:41:27 | 12:39:19 | ||
| Iwate Ginga 100km Marathon Challenge | 6 | 12:29:23 | 13:17:45 | 13:01:09 | 12:25:31 | 10:55:41 | 12:36:35 |