Koujiro Onodzuka 小野塚 宏次郎
Japan (JPN)
| 63rd East Hokkaido Speed Skating Tournament 第63回東北海道スピードスケート大会 | Nakashibetsu (JPN) | 27 January 2024 | ||||||||||||||||
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| 62nd East Hokkaido Speed Skating Tournament 第62回東北海道スピードスケート大会 | Kitami (JPN) | 28 January 2023 | ||||||||||||||||
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| 60th East Hokkaido Speed Skating Tournament / 23rd East Hokkaido City Competition 第60回東北海道スピードスケート大会 第23回東北海道市町村対抗スピードスケート競技大会 | Kushiro (JPN) | 13 February 2021 | ||||||||||||||||
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| 17th M-Wave Competition | Nagano (JPN) | 15 - 17 February 2019 | ||||||||||||||||
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| Japan Cup 4 | Morioka (JPN) | 8 - 10 February 2019 | ||||||||||||||||
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| 91st Japan Student Championship | Nikko (JPN) | 5 - 6 January 2019 | ||||||||||||||||
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| Japan - Allround Championships 2019 | Obihiro (JPN) | 25 - 26 December 2018 | ||||||||||||||||
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| Japan Cup 3 | Ena (JPN) | 7 - 9 December 2018 | ||||||||||||||||
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| Japan Cup 2 | Fujiyoshida (JPN) | 30 November - 2 December 2018 | ||||||||||||||||
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| 38th All-Japan Student Championship | Shibukawa (JPN) | 24 - 25 November 2018 | ||||||||||||||||
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Native Language Names