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| Name: | Koseki, Kayoko | 古跡賀洋子 |
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| Club: | ちーむこぶた | ||
| Residence: | Osaka Pref. | ||
| Year of birth: | 1965 | (Cat. german: W60) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: W60) | |
| Nationality: | JPN  |
Japan | |
| RunnerID: | 1138007 | ||
9 search results (9 Events, 586 km). (More)
| 2025 | 1 Event, 55 km (More) | ||||
|---|---|---|---|---|---|
| 12.01.2025 | Yakushima Ultramarathon 55 Km (JPN) | 55km | |||
| 8:03:25 h | Koseki, Kayoko | Overall: 33 | F: 15 | Cat W55: 2 | |
| 2024 | 3 Events, 176 km (More) | ||||
| 29.09.2024 | Muraoka 64 km Ultra Marathon (JPN) | 64km | |||
| 9:07:28 h | Koseki, Kayoko | ちーむこぶた | Overall: 131 | F: 28 | Cat W55: 5 |
| 16.06.2024 | Okinoshima 50km Ultra Marathon (JPN) | 50km | |||
| 7:00:52 h | Koseki, Kayoko | Overall: 151 | F: 50 | Cat W55: 2 | |
| 21.04.2024 | Fuji 3 Lakes 62 km Challenge (JPN) | 62km | |||
| 9:19:39 h | Koseki, Kayoko | *Osaka | Overall: 792 | F: 238 | Cat W55: 20 |
| 2023 | 2 Events, 165 km (More) | ||||
| 16.07.2023 | Yamaguchi Hagi Return (JPN) | 65km | |||
| 11:36:04 h | Koseki, Kayoko | *Osaka Pref. | Overall: 89 | F: 22 | Cat W55: 4 |
| 23.04.2023 | 100 km Ultra Maranic Osaka (JPN) | 100km | |||
| 13:44:35 h | Koseki, Kayoko | Overall: 223 | F: 36 | Cat W55: 4 | |
| 2022 | 1 Event, 60 km (More) | ||||
| 15.05.2022 | Ishigaki Island Ultra Marathon (JPN) | 60km | |||
| 8:40:20 h | Koseki, Kayoko | Overall: 176 | F: 32 | Cat W55: 7 | |
| 2019 | 1 Event, 60 km (More) | ||||
| 15.09.2019 | Tango 60 km Ultramarathon (JPN) | 60km | |||
| 8:30:49 h | Koseki, Kayoko | ちーむこぶた | Overall: 412 | F: 104 | Cat W50: 11 |
| 2018 | 1 Event, 70 km (More) | ||||
| 22.04.2018 | 70 km Ultra Maranic Osaka (JPN) | 70km | |||
| 9:29:01 h | Koseki, Kayoko | *Osaka Pref. | Overall: 114 | F: 36 | Cat W50: 3 |
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 |
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