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| Name: | Oishi, Ko | 大石興 |
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| Club: | 橋本市民病院 | ||
| Residence: | Wakayama Pref. | ||
| Year of birth: | 1962 | (Cat. german: M60) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: M60) | |
| Nationality: | JPN  |
Japan | |
| RunnerID: | 856466 | ||
11 search results (11 Events, 682 km). (More)
| 2025 | 4 Events, 282 km (More) | ||||
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| 27.09.2025 | Flash Trail Challenge 80km (JPN) | 80km | |||
| 19:58:15 h | Oishi, Ko | Overall: 64 | M: 59 | Cat M60: 2 | |
| 19.-20.07.2025 | North Kyoto 100 Trail Run (JPN) | 60km | |||
| 12:27:10 h | Oishi, Ko | Overall: 45 | M: 36 | Cat M60: 3 | |
| 26.-27.04.2025 | KAI 70k (JPN) | 70km | |||
| 16:19:46 h | Oishi, Ko | 橋本市民病院 | Overall: 530 | M: 440 | Cat M60: 13 |
| 22.-23.02.2025 | Daimonji 100 - 72km (JPN) | 72km | |||
| 19:19:54 h | Oishi, Ko | Overall: 28 | M: 20 | Cat M60: 2 | |
| 2024 | 1 Event, 70 km (More) | ||||
| 26.-27.04.2024 | KAI 70k (JPN) | 70km | |||
| 17:15:37 h | Oishi, Ko | 橋本市民病院 | Overall: 670 | M: 522 | Cat M60: 16 |
| 2023 | 2 Events, 130 km (More) | ||||
| 17.09.2023 | Tango 60 km Ultramarathon (JPN) | 60km | |||
| 9:17:03 h | Oishi, Ko | Overall: 321 | M: 235 | Cat M60: 8 | |
| 23.04.2023 | 70 km Ultra Maranic Osaka (JPN) | 70km | |||
| 8:02:59 h | Oishi, Ko | Overall: 68 | M: 43 | Cat M60: 4 | |
| 2022 | 1 Event, 50 km (More) | ||||
| 21.05.2022 | Mt. Hiei Int. 50 Km Trail Run (JPN) | 50km | |||
| 10:52:04 h | Oishi, Ko | *Wakayama Pref. | Overall: 569 | M: 473 | Cat M55: 37 |
| 2019 | 1 Event, 50 km (More) | ||||
| 09.06.2019 | Koyasan and Ryujin-Onsen 50 Km Ultra Marathon (JPN) | 50km | |||
| 6:14:27 h | Oishi, Ko | Overall: 198 | M: 163 | Cat M55: 11 | |
| 2018 | 1 Event, 50 km (More) | ||||
| 10.06.2018 | Koyasan and Ryujin-Onsen 50 Km Ultra Marathon (JPN) | 50km | |||
| 6:34:58 h | Oishi, Ko | Overall: 213 | M: 174 | Cat M55: 8 | |
| 2016 | 1 Event, 50 km (More) | ||||
| 11.09.2016 | Koyasan and Ryujin-Onsen 50 Km Ultra Marathon (JPN) | 50km | |||
| 6:43:30 h | Oishi, Ko | Overall: 388 | M: 309 | Cat M50: 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 | 2018 | 2016 | |
|---|---|---|---|---|---|---|---|---|
| 50km | 6:14:27 |
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6:14:27
(16517/331) |
6:34:58
(14845/405) |
6:43:30
(14296/523) |
Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2023 | 2022 | 2019 | 2018 | 2016 | ||
|---|---|---|---|---|---|---|---|---|
| Koyasan and Ryujin-Onsen 50 Km Ultra Marathon | 3 | 6:14:27 | 6:34:58 | 6:43:30 | ||||
| KAI 70k | 2 | 16:19:46 | 17:15:37 |