Ferdinand Knaack
Netherlands (NED)
November 1984 (M40)
Personal Records
| 500m | 52,19 | 2 March 2025 | Hoorn (NED) |
| 1000m | 1.55,22 | 15 March 2022 | Amsterdam (NED) |
| 1500m | 2.50,08 | 2 March 2025 | Hoorn (NED) |
Season Bests
| 500m | 52,19 | 2 March 2025 | Hoorn (NED) |
| 1500m | 2.50,08 | 2 March 2025 | Hoorn (NED) |
| 500m | 55,13 | 28 January 2024 | Amsterdam (NED) |
| 1500m | 3.05,36 | 28 January 2024 | Amsterdam (NED) |
| 500m | 55,86 | 17 March 2023 | Amsterdam (NED) |
| 1500m | 3.05,41 | 17 March 2023 | Amsterdam (NED) |
| 500m | 56,52 | 15 March 2022 | Amsterdam (NED) |
| 1000m | 1.55,22 | 15 March 2022 | Amsterdam (NED) |
Results
| Amstelbocht en STG Waterland | Hoorn (NED) | 2 March 2025 | ||||||||
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| CK Waterland en Amstelbocht | Amsterdam (NED) | 2 February 2025 | ||||||||
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| CK Waterland en Amstelbocht | Amsterdam (NED) | 28 January 2024 | ||||||||
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| CK: Waterland / Amstelbocht | Amsterdam (NED) | 17 March 2023 | ||||||||
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| CK Waterland / Amstelbocht | Amsterdam (NED) | 15 March 2022 | ||||||||
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Native Language Names