Karin Koster
Netherlands (NED)
August 1986 (L35)
Personal Records
| 500m | 52,05 | 4 November 2017 | Groningen (NED) |
| 1000m | 1.43,61 | 15 December 2018 | Groningen (NED) |
| 1500m | 2.32,46 | 27 January 2019 | Groningen (NED) |
Season Bests
| 500m | 52,70 | 19 November 2022 | Groningen (NED) |
| 1000m | 1.46,01 | 19 November 2022 | Groningen (NED) |
| 500m | 52,41 | 27 January 2019 | Groningen (NED) |
| 1000m | 1.43,61 | 15 December 2018 | Groningen (NED) |
| 1500m | 2.32,46 | 27 January 2019 | Groningen (NED) |
| 500m | 52,05 | 4 November 2017 | Groningen (NED) |
| 500m | 54,82 | 30 November 2014 | Groningen (NED) |
| 1000m | 1.50,46 | 30 November 2014 | Groningen (NED) |
| 500m | 54,40 | 27 November 2011 | Groningen (NED) |
| 1000m | 1.48,40 | 27 November 2011 | Groningen (NED) |
| 1000m | 1.49,74 | 12 March 2011 | Groningen (NED) |
| 500m | 57,85 | 19 December 2009 | Groningen (NED) |
| 1000m | 1.58,47 | 19 December 2009 | Groningen (NED) |
| 500m | 58,55 | 14 February 2009 | Groningen (NED) |
| 1000m | 1.57,68 | 14 February 2009 | Groningen (NED) |
| 500m | 57,08 | 15 March 2008 | Groningen (NED) |
| 1000m | 1.55,86 | 15 March 2008 | Groningen (NED) |
Results
| Tjas Clubwedstrijd | Groningen (NED) | 19 November 2022 | ||||||||
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| GSSK Tjas | Groningen (NED) | 27 January 2019 | ||||||||
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| YVG Clubwedstrijd | Groningen (NED) | 15 December 2018 | ||||||||
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| Tjas Clubwedstrijd | Groningen (NED) | 4 November 2017 | ||||||||
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| Groninger Studenten Schaatskampioenschap Tjas | Groningen (NED) | 30 November 2014 | ||||||||
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Native Language Names