Koen Tas
Netherlands (NED)
November 2009 (MB1)
Personal Records
| 500m | 40,60 | 16 November 2025 | Heerenveen (NED) |
| 1000m | 1.23,54 | 31 December 2024 | Heerenveen (NED) |
| 1500m | 1.56,71 | 2 November 2025 | Hoorn (NED) |
| 3000m | 4.22,64 | 9 November 2025 | Heerenveen (NED) |
Season Bests
| 100m | 11,40 | 11 October 2025 | Amsterdam (NED) |
| 300m | 27,77 | 11 October 2025 | Amsterdam (NED) |
| 500m | 40,60 | 16 November 2025 | Heerenveen (NED) |
| 1500m | 1.56,71 | 2 November 2025 | Hoorn (NED) |
| 3000m | 4.22,64 | 9 November 2025 | Heerenveen (NED) |
| 100m | 11,13 | 4 January 2025 | Heerenveen (NED) |
| 300m | 26,57 | 25 January 2025 | Eindhoven (NED) |
| 500m | 41,39 | 4 January 2025 | Heerenveen (NED) |
| 1000m | 1.23,54 | 31 December 2024 | Heerenveen (NED) |
| 1500m | 2.04,78 | 3 February 2025 | Heerenveen (NED) |
| 100m | 11,83 | 23 December 2023 | Heerenveen (NED) |
| 300m | 28,22 | 3 March 2024 | Amsterdam (NED) |
| 500m | 43,36 | 11 February 2024 | Utrecht (NED) |
| 700m | 1.04,07 | 17 March 2024 | Amsterdam (NED) |
| 1000m | 1.28,50 | 23 December 2023 | Heerenveen (NED) |
| 1500m | 2.16,46 | 18 February 2024 | Heerenveen (NED) |
| 100m | 12,71 | 10 December 2022 | Heerenveen (NED) |
| 300m | 31,82 | 10 December 2022 | Heerenveen (NED) |
| 500m | 49,38 | 19 February 2023 | Haarlem (NED) |
| 700m | 1.11,68 | 14 January 2023 | Alkmaar (NED) |
| 1000m | 1.40,09 | 19 February 2023 | Haarlem (NED) |
| 100m | 14,19 | 13 March 2022 | Amsterdam (NED) |
| 300m | 37,77 | 13 March 2022 | Amsterdam (NED) |
| 500m | 1.03,07 | 25 March 2022 | Amsterdam (NED) |
| 700m | 1.40,79 | 6 February 2022 | Amsterdam (NED) |
Results
| NEW Schaatscircuit.nl | Heerenveen (NED) | 16 November 2025 | ||||||||||||||||
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| Recordwedstrijd-3 | Heerenveen (NED) | 9 November 2025 | ||||||||||||||||
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| Langebaan - Junioren / Senioren / Masters | Hoorn (NED) | 2 November 2025 | ||||||||||||||||
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| Recordwedstrijd-2 | Heerenveen (NED) | 19 October 2025 | ||||||||||||||||
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| Alle Categorieën Supersprint | Amsterdam (NED) | 11 October 2025 | ||||||||||||||||
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Native Language Names