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| Name: | Kokuzawa, Tsuyoshi | 石澤毅士 |
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| Club: | 埼玉陸協 | ||
| Residence: | Saitama Pref. | ||
| Year of birth: | 1982 | (Cat. german: M40) | |
| Date of birth: | 09.04.1982 | (Cat. internat.: M40) | |
| Nationality: | JPN  |
Japan | |
| RunnerID: | 982235 | ||
41 search results (37 Events, 3788.032 km). (More)
| 2025 | 4 Events, 584.804 km (More) | ||||
|---|---|---|---|---|---|
| 28.09.2025 | Mina no Tenku Ultra Marathon (JPN) | 76.5km | |||
| 7:41:15 h | Kokuzawa, Tsuyoshi | Overall: 15 | M: 14 | Cat M40: 5 | |
| 24.-25.05.2025 | Hirosaki 24h Ultra Run (JPN) | 24h | |||
| 220.883 km | Kokuzawa, Tsuyoshi | ウルトラプロジェクド | Overall: 9 | M: 7 | Cat M40: 4 |
| 15.-16.03.2025 | Little Edo Oedo 200k (JPN) | 200km | |||
| 22:53:47 h | Kokuzawa, Tsuyoshi | *Saitama Pref. | Overall: 1 | M: 1 | Cat M40: 1 |
| 08.-09.03.2025 | Jingu Gaien 24 Hour Challenge (JPN) | 24h | |||
| 87.421 km | Kokuzawa, Tsuyoshi | Overall: 90 | M: 64 | Cat M40: 9 | |
| 08.03.2025 | Jingu Gaien 24 Hour Challenge - 6h Split (JPN) | 6h | |||
| 66.228 km | Kokuzawa, Tsuyoshi | Overall: 19 | M: 15 | Cat M40: 2 | |
| 08.03.2025 | Jingu Gaien 24 Hour Challenge -12h Split (JPN) | 12h | |||
| 87.421 km | Kokuzawa, Tsuyoshi | Overall: 76 | M: 55 | Cat M40: 9 | |
| 2024 | 4 Events, 468.368 km (More) | ||||
| 13.-14.10.2024 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 9:43:33 h | Kokuzawa, Tsuyoshi | Overall: 42 | M: 41 | Cat M40: 11 | |
| 22.09.2024 | Mina no Tenku Ultra Marathon (JPN) | 75km | |||
| 6:34:21 h | Kokuzawa, Tsuyoshi | Overall: 1 | M: 1 | Cat M40: 1 | |
| 13.-14.07.2024 | OSJ Ontake 100 Mile Ultra Trail (JPN) | 100mi | |||
| 17:47:24 h | Kokuzawa, Tsuyoshi | 南国アイスホッケー部 | Overall: 3 | M: 3 | Cat M40: 2 |
| 18.-19.05.2024 | Trainic World 100 Mile in Sai-No-Kuni (JPN) | 100mi | |||
| 31:57:12 h | Kokuzawa, Tsuyoshi | Overall: 19 | M: 18 | Cat M40: 5 | |
| 2023 | 5 Events, 756.692 km (More) | ||||
| 01.10.2023 | Trainic world Soto-Chichibu Trail Run 45km (JPN) | 45km | |||
| 5:24:44 h | Kokuzawa, Tsuyoshi | *Saitama Pref. | Overall: 2 | M: 2 | Cat M40: 2 |
| 16.07.2023 | OSJ Ontake 100km Ultra Trail (JPN) | 100km | |||
| 10:53:07 h | Kokuzawa, Tsuyoshi | めぇめぇ | Overall: 5 | M: 5 | Cat M40: 3 |
| 21.-23.04.2023 | Ultra-Trail Mt. Fuji (UTMF) (JPN) | 167km | |||
| 25:24:21 h | Kokuzawa, Tsuyoshi | ウルプロ | Overall: 37 | M: 36 | Cat M40: 7 |
| 11.-12.03.2023 | Jingu Gaien 24 Hour Challenge (JPN) | 24h | |||
| 244.692 km | Kokuzawa, Tsuyoshi | Overall: 7 | M: 6 | Cat M40: 4 | |
| 11.-12.03.2023 | Jingu Gaien 24 Hour Challenge -12h Split (JPN) | 12h | |||
| 124.456 km | Kokuzawa, Tsuyoshi | Overall: 16 | M: 13 | Cat M40: 6 | |
| 11.03.2023 | Jingu Gaien 24 Hour Challenge - 6h Split (JPN) | 6h | |||
| 62.228 km | Kokuzawa, Tsuyoshi | Overall: 28 | M: 23 | Cat M40: 8 | |
| 08.-09.01.2023 | Japan Trophy 200 (JPN) | 200km | |||
| 19:55:00 h | Kokuzawa, Tsuyoshi | Overall: 3 | M: 2 | Cat M40: 2 | |
| 2022 | 5 Events, 408.934 km (More) | ||||
| 05.-06.11.2022 | OSJ Kami 100 (JPN) | 100km | |||
| 14:41:49 h | Kokuzawa, Tsuyoshi | めぇめぇ | Overall: 5 | M: 5 | Cat M40: 2 |
| 30.10.2022 | Trainic world Ogose-Tokigawa Trail Run 50km (JPN) | 49.6km | |||
| 5:44:18 h | Kokuzawa, Tsuyoshi | *Saitama Pref. | Overall: 3 | M: 3 | Cat M40: 2 |
| 02.10.2022 | Trainic world Soto-Chichibu Trail Run 45km (JPN) | 45km | |||
| 5:34:36 h | Kokuzawa, Tsuyoshi | *Saitama Pref. | Overall: 4 | M: 4 | Cat M40: 1 |
| 04.09.2022 | OSJ Adatara Trail 50K (JPN) | 53.4km | |||
| 7:57:39 h | Kokuzawa, Tsuyoshi | 加波一族 | Overall: 15 | M: 15 | Cat M40: 4 |
| 21.-22.05.2022 | Trainic World 100 Mile in Sai-No-Kuni (JPN) | 100mi | |||
| 30:09:58 h | Kokuzawa, Tsuyoshi | *Saitama Pref. | Overall: 12 | M: 12 | Cat M40: 4 |
| 2021 | 4 Events, 504.434 km (More) | ||||
| 12.12.2021 | Izu Trail Journey (JPN) | 69.1km | |||
| 7:48:42 h | Kokuzawa, Tsuyoshi | ｳﾙﾌﾟﾛ | Overall: 45 | M: 42 | Cat M35: 12 |
| 09.-10.10.2021 | OSJ Koumi 100 (JPN) | 100mi | |||
| 26:45:55 h | Kokuzawa, Tsuyoshi | ウルプロ | Overall: 22 | M: 22 | Cat M35: 10 |
| 03.07.2021 | Fuji Hokuroku Park 6h (JPN) | 6h | |||
| 74.400 km | Kokuzawa, Tsuyoshi | Overall: 1 | M: 1 | Cat M35: 1 | |
| 27.-28.02.2021 | Little Edo Oedo 200k (JPN) | 200km | |||
| 22:01:35 h | Kokuzawa, Tsuyoshi | ウルプロ | Overall: 3 | M: 2 | Cat M35: 1 |
| 2019 | 5 Events, 418 km (More) | ||||
| 07.10.2019 | Fuji 3 Lakes 71 km Autumn Challenge (JPN) | 71km | |||
| 5:29:21 h | Kokuzawa, Tsuyoshi | トラック野郎ac | Overall: 4 | M: 4 | Cat M35: 1 |
| 29.09.2019 | Trainic world Soto-Chichibu Trail Run 45km (JPN) | 45km | |||
| 5:13:35 h | Kokuzawa, Tsuyoshi | Overall: 2 | M: 2 | Cat M35: 1 | |
| 15.-16.09.2019 | Shinetsu Five Mountains Trail 110km (JPN) | 110km | |||
| 14:09:02 h | Kokuzawa, Tsuyoshi | *Saitama Pref. | Overall: 13 | M: 13 | Cat M35: 6 |
| 17.-18.08.2019 | World Cultural Heritage "Fuji" Foot Race (JPN) | 101km | |||
| 9:44:33 h | Kokuzawa, Tsuyoshi | Overall: 2 | M: 2 | Cat M35: 1 | |
| 23.02.2019 | Little Edo 91km (JPN) | 91km | |||
| 8:52:10 h | Kokuzawa, Tsuyoshi | ウルプロ | Overall: 2 | M: 2 | Cat M35: 1 |
| 2018 | 9 Events, 584.8 km (More) | ||||
| 09.12.2018 | Izu Trail Journey (JPN) | 71.7km | |||
| 10:44:33 h | Kokuzawa, Tsuyoshi | ｳﾙﾌﾟﾛ | Overall: 323 | M: 300 | Cat M35: 68 |
| 08.09.2018 | Trainic world Soto-Chichibu Trail Run 50km (JPN) | 49.8km | |||
| 6:46:05 h | Kokuzawa, Tsuyoshi | Overall: 9 | M: 9 | Cat M35: 2 | |
| 02.09.2018 | OSJ Adatara Trail 50K (JPN) | 50km | |||
| 10:04:57 h | Kokuzawa, Tsuyoshi | Overall: 27 | M: 27 | Cat M35: 8 | |
| 26.08.2018 | Tsukuba Renjyo 70 Km Road & Trail Run (JPN) | 70km | |||
| 10:45:38 h | Kokuzawa, Tsuyoshi | ウルプロ | Overall: 24 | M: 21 | Cat M35: 6 |
| 08.07.2018 | Trainic world Ogose-Tokigawa Trail Run 50km (JPN) | 49.6km | |||
| 7:15:42 h | Kokuzawa, Tsuyoshi | Overall: 34 | M: 33 | Cat M35: 3 | |
| 24.06.2018 | Spatrail - Shima to Kusatsu (JPN) | 72.7km | |||
| 9:17:48 h | Kokuzawa, Tsuyoshi | Overall: 29 | M: 27 | Cat M35: 6 | |
| 02.06.2018 | OSJ Okukuji Trail 50k (JPN) | 50km | |||
| 11:16:34 h | Kokuzawa, Tsuyoshi | Overall: 70 | M: 66 | Cat M35: 19 | |
| 20.05.2018 | Yatsugatake Nobeyama 100 km (JPN) | 100km | |||
| 9:51:10 h | Kokuzawa, Tsuyoshi | 埼玉陸協 | Overall: 59 | M: 56 | Cat M35: 15 |
| 22.04.2018 | Fuji 5 Lakes 71 km Challenge (JPN) | 71km | |||
| 6:22:10 h | Kokuzawa, Tsuyoshi | 埼玉陸協 | Overall: 16 | M: 15 | Cat M35: 4 |
| 2017 | 1 Event, 62 km (More) | ||||
| 02.07.2017 | Nikko 62km Ultramarathon (JPN) | 62km | |||
| 7:23:28 h | Kokuzawa, Tsuyoshi | *Saitama Pref. | Overall: 98 | M: 84 | Cat M35: 13 |
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 | 2021 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|
| 6h | 66.228 |
66.228
(436/17) |
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62.228
(919/27) |
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| 12h | 124.456 |
87.421
(1426/80) |
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124.456
(211/16) |
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| 24h | 244.692 |
220.883
(182/16) |
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244.692
(65/6) |
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Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2023 | 2022 | 2021 | 2019 | 2018 | 2017 | ||
|---|---|---|---|---|---|---|---|---|---|
| Trainic world Soto-Chichibu Trail Run 45km | 3 | 5:24:44 | 5:34:36 | 5:13:35 | |||||
| Mina no Tenku Ultra Marathon | 2 | 7:41:15 | 6:34:21 | ||||||
| Trainic World 100 Mile in Sai-No-Kuni | 2 | 31:57:12 | 30:09:58 | ||||||
| Trainic world Ogose-Tokigawa Trail Run 50km | 2 | 5:44:18 | 7:15:42 | ||||||
| Little Edo Oedo 200k | 2 | 22:53:47 | 22:01:35 | ||||||
| Izu Trail Journey | 2 | 7:48:42 | 10:44:33 | ||||||
| OSJ Adatara Trail 50K | 2 | 7:57:39 | 10:04:57 | ||||||
| Jingu Gaien 24 Hour Challenge | 2 | 87.421 | 244.692 |