| Name: | Kaizumi, Kazuya | 貝住一弥 |
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| Club: | |||
| Residence: | Hyogo Pref. | ||
| Year of birth: | 1972 | (Cat. german: M50) | |
| Date of birth: | 23.09.1972 | (Cat. internat.: M50) | |
| Nationality: | JPN ![]() |
Japan | |
| RunnerID: | 410603 | ||
23 search results (23 Events, 1774 km). (More)
| 2025 | 2 Events, 200 km (More) | ||||
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| 28.09.2025 | Muraoka 100 km Ultra Marathon (JPN) | 100km | |||
| 12:25:35 h | Kaizumi, Kazuya | *Hyogo Pref. | Overall: 160 | M: 147 | Cat M50: 35 |
| 18.05.2025 | Yatsugatake Nobeyama 100 km (JPN) | 100km | |||
| 13:00:57 h | Kaizumi, Kazuya | Overall: 583 | M: 516 | Cat M50: 89 | |
| 2024 | 3 Events, 250 km (More) | ||||
| 29.09.2024 | Muraoka 100 km Ultra Marathon (JPN) | 100km | |||
| 12:44:00 h | Kaizumi, Kazuya | *Kobe City, Hyogo Pref. | Overall: 158 | M: 140 | Cat M50: 41 |
| 19.05.2024 | Yatsugatake Nobeyama 100 km (JPN) | 100km | |||
| 12:35:00 h | Kaizumi, Kazuya | Overall: 398 | M: 360 | Cat M50: 69 | |
| 14.04.2024 | AYABE Trailrun (JPN) | 50km | |||
| 8:02:37 h | Kaizumi, Kazuya | Overall: 110 | M: 97 | Cat M50: 15 | |
| 2023 | 3 Events, 312 km (More) | ||||
| 21.-22.10.2023 | Mt. Rocco Cannonball Run - 112 km Power (JPN) | 112km | |||
| 19:17:00 h | Kaizumi, Kazuya | Overall: 24 | M: 22 | Cat M50: 5 | |
| 24.09.2023 | Muraoka 100 km Ultra Marathon (JPN) | 100km | |||
| 12:56:19 h | Kaizumi, Kazuya | *Kobe City, Hyogo Pref. | Overall: 198 | M: 174 | Cat M50: 52 |
| 21.05.2023 | Yatsugatake Nobeyama 100 km (JPN) | 100km | |||
| 13:28:05 h | Kaizumi, Kazuya | Overall: 488 | M: 438 | Cat M50: 92 | |
| 2022 | 1 Event, 100 km (More) | ||||
| 18.09.2022 | Tango 100 km Ultramarathon (JPN) | 100km | |||
| 13:24:33 h | Kaizumi, Kazuya | Overall: 405 | M: 353 | Cat M45: 61 | |
| 2019 | 3 Events, 221 km (More) | ||||
| 03.11.2019 | Nakanoto Treasure Trail Run Festival (JPN) | 50km | |||
| 6:45:19 h | Kaizumi, Kazuya | *Hyogo Pref. | Overall: 75 | M: 66 | Cat M45: 13 |
| 15.09.2019 | Tango 100 km Ultramarathon (JPN) | 100km | |||
| 13:45:46 h | Kaizumi, Kazuya | *Hyogo Pref. | Overall: 881 | M: 786 | Cat M45: 149 |
| 19.05.2019 | Yatsugatake Nobeyama 71 km (JPN) | 71km | |||
| 8:18:00 h | Kaizumi, Kazuya | Overall: 27 | M: 19 | Cat M45: 1 | |
| 2018 | 2 Events, 144 km (More) | ||||
| 20.10.2018 | OSJ Hyonosen Mountains Trail Race (JPN) | 73km | |||
| 12:38:24 h | Kaizumi, Kazuya | Overall: 124 | M: 116 | Cat M45: 15 | |
| 20.05.2018 | Yatsugatake Nobeyama 71 km (JPN) | 71km | |||
| 8:49:20 h | Kaizumi, Kazuya | *Hyogo Pref. | Overall: 58 | M: 40 | Cat M45: 4 |
| 2016 | 2 Events, 124 km (More) | ||||
| 11.09.2016 | Hakuba Int. Trail Run (JPN) | 53km | |||
| 8:04:39 h | Kaizumi, Kazuya | *Hyogo Pref. | Overall: 255 | M: 226 | Cat M40: 59 |
| 22.05.2016 | Yatsugatake Nobeyama 71 km (JPN) | 71km | |||
| 9:52:03 h | Kaizumi, Kazuya | *Hyogo Pref. | Overall: 90 | M: 60 | Cat M40: 12 |
| 2015 | 2 Events, 124 km (More) | ||||
| 13.09.2015 | Hakuba Int. Trail Run (JPN) | 53km | |||
| 7:53:23 h | Kaizumi, Kazuya | Overall: 245 | M: 220 | Cat M40: 59 | |
| 17.05.2015 | Yatsugatake Nobeyama 71 km (JPN) | 71km | |||
| 9:08:19 h | Kaizumi, Kazuya | *Hyogo Pref. | Overall: 68 | M: 51 | Cat M40: 11 |
| 2014 | 2 Events, 124 km (More) | ||||
| 14.09.2014 | Hakuba Int. Trail Run (JPN) | 53km | |||
| 9:05:06 h | Kaizumi, Kazuya | Overall: 411 | M: 352 | Cat M40: 63 | |
| 18.05.2014 | Yatsugatake Nobeyama 71 km (JPN) | 71km | |||
| 9:33:35 h | Kaizumi, Kazuya | *Hyogo Pref. | Overall: 105 | M: 71 | Cat M40: 16 |
| 2013 | 2 Events, 125 km (More) | ||||
| 15.09.2013 | Hakuba Int. Trail Run (JPN) | 53km | |||
| 7:17:10 h | Kaizumi, Kazuya | *Hyogo Pref. | Overall: 146 | M: 137 | Cat M40: 32 |
| 21.04.2013 | Fuji 5 Lakes 72 km Challenge (JPN) | 72km | |||
| 10:13:46 h | Kaizumi, Kazuya | Overall: 466 | M: 354 | Cat M40: 69 | |
| 2009 | 1 Event, 50 km (More) | ||||
| 04.10.2009 | Madarao Forest Trails 50km (JPN) | 50km | |||
| 6:32:13 h | Kaizumi, Kazuya | *Hyogo Pref. | Overall: 86 | M: 77 | Cat M35: 16 |
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 | 2015 | 2014 | 2013 | 2009 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 100km | 13:24:33 |
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13:24:33
(4569/1006) |
13:45:46
(9074/4871) |
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Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2023 | 2022 | 2019 | 2018 | 2016 | 2015 | 2014 | 2013 | 2009 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yatsugatake Nobeyama 71 km | 5 | 8:18:00 | 8:49:20 | 9:52:03 | 9:08:19 | 9:33:35 | ||||||
| Hakuba Int. Trail Run | 4 | 8:04:39 | 7:53:23 | 9:05:06 | 7:17:10 | |||||||
| Muraoka 100 km Ultra Marathon | 3 | 12:25:35 | 12:44:00 | 12:56:19 | ||||||||
| Yatsugatake Nobeyama 100 km | 3 | 13:00:57 | 12:35:00 | 13:28:05 | ||||||||
| Tango 100 km Ultramarathon | 2 | 13:24:33 | 13:45:46 |





