Koen Tas
Netherlands (NED)
November 2009 (MC1)
Personal Records
| 500m | 49,38 | 19 February 2023 | Haarlem (NED) |
| 1000m | 1.40,09 | 19 February 2023 | Haarlem (NED) |
Season Bests
| 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
| Kampioenschap van Amsterdam - Pupillen | Amsterdam (NED) | 18 March 2023 | ||||||||||||
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| CK 5Dorpen / Viking | Amsterdam (NED) | 14 March 2023 | ||||||||||||
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| Pup & Jun C, B - 8 Finale | Amsterdam (NED) | 12 March 2023 | ||||||||||||
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| Gewestelijke Pupillen A Finale | Haarlem (NED) | 19 February 2023 | ||||||||||||
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| Finale Portengen Pupillencompetitie | Amsterdam (NED) | 12 February 2023 | ||||||||||||
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Native Language Names