Duco Kuper
Netherlands (NED)
June 2006 (MN1)
Personal Records
| 500m | 44,25 | 18 March 2025 | Den Haag (NED) |
| 1000m | 1.30,26 | 18 March 2025 | Den Haag (NED) |
| 1500m | 2.17,35 | 8 December 2023 | Heerenveen (NED) |
| 3000m | 4.58,55 | 14 January 2024 | Den Haag (NED) |
Season Bests
| 500m | 44,25 | 18 March 2025 | Den Haag (NED) |
| 1000m | 1.30,26 | 18 March 2025 | Den Haag (NED) |
| 1500m | 2.19,77 | 9 March 2025 | Hoorn (NED) |
| 500m | 44,90 | 8 December 2023 | Heerenveen (NED) |
| 1000m | 1.31,40 | 19 March 2024 | Den Haag (NED) |
| 1500m | 2.17,35 | 8 December 2023 | Heerenveen (NED) |
| 3000m | 4.58,55 | 14 January 2024 | Den Haag (NED) |
| 100m | 12,22 | 11 December 2022 | Den Haag (NED) |
| 500m | 46,16 | 23 October 2022 | Heerenveen (NED) |
| 1000m | 1.35,24 | 23 October 2022 | Heerenveen (NED) |
| 1500m | 2.34,65 | 16 October 2022 | Den Haag (NED) |
| 500m | 47,60 | 13 February 2022 | Den Haag (NED) |
| 1000m | 1.39,24 | 30 January 2022 | Den Haag (NED) |
| 1500m | 2.31,11 | 13 February 2022 | Den Haag (NED) |
| 500m | 49,70 | 27 March 2021 | Den Haag (NED) |
| 1000m | 1.41,40 | 27 March 2021 | Den Haag (NED) |
| 1500m | 2.37,98 | 28 March 2021 | Den Haag (NED) |
| 100m | 13,02 | 19 January 2020 | Den Haag (NED) |
| 300m | 32,58 | 11 December 2019 | Heerenveen (NED) |
| 500m | 50,39 | 2 February 2020 | Den Haag (NED) |
| 1000m | 1.47,65 | 5 January 2020 | Den Haag (NED) |
| 1500m | 2.41,54 | 11 December 2019 | Heerenveen (NED) |
| 100m | 13,53 | 23 December 2018 | Den Haag (NED) |
| 300m | 32,25 | 23 December 2018 | Den Haag (NED) |
| 500m | 52,34 | 13 January 2019 | Den Haag (NED) |
| 700m | 1.17,14 | 3 February 2019 | Den Haag (NED) |
| 1000m | 1.49,54 | 10 February 2019 | Den Haag (NED) |
| 1500m | 2.44,90 | 18 March 2019 | Den Haag (NED) |
| 100m | 13,40 | 21 January 2018 | Den Haag (NED) |
| 300m | 33,26 | 10 December 2017 | Den Haag (NED) |
| 500m | 54,41 | 10 December 2017 | Den Haag (NED) |
| 1000m | 1.55,98 | 11 February 2018 | Den Haag (NED) |
Results
| Recordwedstrijd 5/1000 (vanaf Jun C) + Extra 3K en 5K | Den Haag (NED) | 18 March 2025 | ||||||||
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| Clubkampioenschap Vereniging IJssport Koudekerk | Leiden (NED) | 11 March 2025 | ||||||||
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| District Kampioenschap Klassement Hoorn | Hoorn (NED) | 9 March 2025 | ||||||||
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| Kees Jongert Bokaal | Haarlem (NED) | 8 February 2025 | ||||||||
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| 5.000 meter | Den Haag (NED) | 29 December 2024 | ||||||||
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Native Language Names