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| Name: | Ishizuka, Katsunori | 石塚勝宣 |
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| Club: | C-Trail | ||
| Residence: | Tokyo Pref. | ||
| Year of birth: | 1970 | (Cat. german: M55) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: M55) | |
| Nationality: | JPN  |
Japan | |
| RunnerID: | 898593 | ||
11 search results (11 Events, 720.4 km). (More)
| 2025 | 1 Event, 100 km (More) | ||||
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| 19.10.2025 | River Shimanto 100km (JPN) | 100km | |||
| 12:42:22 h | Ishizuka, Katsunori | Overall: 520 | M: 433 | Cat M50: 58 | |
| 2024 | 1 Event, 80 km (More) | ||||
| 22.-23.09.2024 | SkyViewTrail Memorial Cup (JPN) | 80km | |||
| 16:39:39 h | Ishizuka, Katsunori | Overall: 136 | M: 114 | Cat M50: 23 | |
| 2023 | 2 Events, 129.4 km (More) | ||||
| 03.12.2023 | Trainic world Ogose-Tokigawa Trail Run 50km (JPN) | 51.4km | |||
| 10:04:12 h | Ishizuka, Katsunori | *Tokyo | Overall: 201 | M: 171 | Cat M50: 32 |
| 04.06.2023 | Ultramarathon Okumusashi (JPN) | 78km | |||
| 10:21:55 h | Ishizuka, Katsunori | *Tokyo | Overall: 499 | M: 402 | Cat M50: 73 |
| 2019 | 2 Events, 144 km (More) | ||||
| 29.09.2019 | Trainic world Soto-Chichibu Trail Run 50km (JPN) | 53km | |||
| 9:04:19 h | Ishizuka, Katsunori | Overall: 101 | M: 97 | Cat M45: 20 | |
| 23.02.2019 | Little Edo 91km (JPN) | 91km | |||
| 11:20:44 h | Ishizuka, Katsunori | C-Trail | Overall: 18 | M: 14 | Cat M45: 7 |
| 2018 | 3 Events, 167.4 km (More) | ||||
| 16.12.2018 | Coast to Coast 70k Trail Run (JPN) | 68km | |||
| 11:47:27 h | Ishizuka, Katsunori | Overall: 481 | M: 432 | Cat M45: 85 | |
| 08.09.2018 | Trainic world Soto-Chichibu Trail Run 50km (JPN) | 49.8km | |||
| 9:57:05 h | Ishizuka, Katsunori | Overall: 204 | M: 187 | Cat M45: 36 | |
| 08.07.2018 | Trainic world Ogose-Tokigawa Trail Run 50km (JPN) | 49.6km | |||
| 8:42:09 h | Ishizuka, Katsunori | Overall: 137 | M: 132 | Cat M45: 25 | |
| 2017 | 1 Event, 49.8 km (More) | ||||
| 09.07.2017 | Trainic world Chichibu Trail Run 50km (JPN) | 49.8km | |||
| 10:46:44 h | Ishizuka, Katsunori | Overall: 212 | M: 197 | Cat M45: 45 | |
| 2016 | 1 Event, 49.8 km (More) | ||||
| 08.05.2016 | Trainic world Chichibu Trail Run 50km (JPN) | 49.8km | |||
| 10:58:20 h | Ishizuka, Katsunori | Overall: 290 | M: 267 | Cat M45: 54 | |
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 | 2019 | 2018 | 2017 | 2016 | |
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| 100km | 12:42:22 |
12:42:22
(5322/2320) |
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Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2023 | 2019 | 2018 | 2017 | 2016 | ||
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| Trainic world Chichibu Trail Run 50km | 4 | 9:04:19 | 9:57:05 | 10:46:44 | 10:58:20 | |||
| Trainic world Ogose-Tokigawa Trail Run 50km | 2 | 10:04:12 | 8:42:09 |