Kousei Arai 新井 宏聖
Japan (JPN)
Male
Personal Records
| 500m | 43,29 | 21 December 2019 | Shibukawa (JPN) |
| 1000m | 1.23,61 | 14 February 2021 | Nagano (JPN) |
| 1500m | 2.07,45 | 20 January 2022 | Hachinohe - YS Arena (JPN) |
| 3000m | 4.29,37 | 12 February 2022 | Nagano (JPN) |
| 5000m | 7.48,31 | 18 January 2022 | Hachinohe - YS Arena (JPN) |
Season Bests
| 1500m | 2.07,91 | 25 February 2023 | Obihiro (JPN) |
| 3000m | 4.31,88 | 26 February 2023 | Obihiro (JPN) |
| 5000m | 8.02,28 | 17 December 2022 | Shibukawa (JPN) |
| 1500m | 2.07,45 | 20 January 2022 | Hachinohe - YS Arena (JPN) |
| 3000m | 4.29,37 | 12 February 2022 | Nagano (JPN) |
| 5000m | 7.48,31 | 18 January 2022 | Hachinohe - YS Arena (JPN) |
| 1000m | 1.23,61 | 14 February 2021 | Nagano (JPN) |
| 3000m | 4.31,66 | 14 February 2021 | Nagano (JPN) |
| 500m | 43,29 | 21 December 2019 | Shibukawa (JPN) |
| 1500m | 2.14,10 | 6 February 2020 | Shibukawa (JPN) |
| 3000m | 4.30,82 | 15 February 2020 | Shibukawa (JPN) |
| 5000m | 8.22,33 | 6 February 2020 | Shibukawa (JPN) |
| 500m | 48,11 | 9 February 2019 | Shibukawa (JPN) |
| 1500m | 2.20,42 | 15 February 2019 | Nagano (JPN) |
| 3000m | 4.49,72 | 16 February 2019 | Nagano (JPN) |
| 5000m | 8.17,06 | 5 January 2019 | Shibukawa (JPN) |
| 500m | 49,51 | 24 December 2017 | Shibukawa (JPN) |
| 1000m | 1.39,90 | 24 December 2017 | Shibukawa (JPN) |
Results
| 13th National High School Selection Competition 第13回全国高等学校選抜スピードスケート競技会 | Obihiro (JPN) | 25 - 26 February 2023 | ||||||||
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| 21st M-Wave Competition 第21回エムウェーブスピードスケート競技会 | Nagano (JPN) | 17 - 19 February 2023 | ||||||||
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| 32nd Gunma Prefecture Competition 第32回 群馬県種目別スケート競技会 | Shibukawa (JPN) | 28 January 2023 | ||||||||
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| 72nd National High School Speed Skating Championships 第72全国高等学校スピードスケート競技選手権大会 | Shibukawa (JPN) | 21 - 22 January 2023 | ||||||||
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| 29th Kanto High School Championships 第29回関東高等学校スケート競技選手権大会・スピード競技 | Shibukawa (JPN) | 7 - 8 January 2023 | ||||||||
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Native Language Names