Sybren Kamstra
Netherlands (NED)
October 2003 (MA2)
Personal Records
| 500m | 44,11 | 16 February 2020 | Leeuwarden (NED) |
| 1000m | 1.28,06 | 16 February 2020 | Leeuwarden (NED) |
| 1500m | 2.19,40 | 30 December 2018 | Leeuwarden (NED) |
Season Bests
| 500m | 44,73 | 27 November 2022 | Leeuwarden (NED) |
| 1500m | 2.20,14 | 27 November 2022 | Leeuwarden (NED) |
| 100m | 12,23 | 11 October 2020 | Leeuwarden (NED) |
| 500m | 45,10 | 11 October 2020 | Leeuwarden (NED) |
| 500m | 44,11 | 16 February 2020 | Leeuwarden (NED) |
| 1000m | 1.28,06 | 16 February 2020 | Leeuwarden (NED) |
| 1500m | 2.20,94 | 19 January 2020 | Leeuwarden (NED) |
| 500m | 44,33 | 10 February 2019 | Leeuwarden (NED) |
| 1000m | 1.28,54 | 10 February 2019 | Leeuwarden (NED) |
| 1500m | 2.19,40 | 30 December 2018 | Leeuwarden (NED) |
| 500m | 46,19 | 11 March 2018 | Leeuwarden (NED) |
| 1000m | 1.32,58 | 11 March 2018 | Leeuwarden (NED) |
| 1500m | 2.22,56 | 5 February 2018 | Heerenveen (NED) |
| 100m | 12,91 | 10 December 2016 | Leeuwarden (NED) |
| 300m | 32,02 | 9 October 2016 | Leeuwarden (NED) |
| 500m | 48,78 | 29 January 2017 | Leeuwarden (NED) |
| 700m | 1.07,04 | 12 March 2017 | Leeuwarden (NED) |
| 1000m | 1.36,13 | 19 February 2017 | Leeuwarden (NED) |
| 500m | 50,91 | 5 March 2016 | Heerenveen (NED) |
| 1000m | 1.47,05 | 16 January 2016 | Leeuwarden (NED) |
Results
| Clubkampioenschap H.C. IJsleeuwen | Leeuwarden (NED) | 27 November 2022 | ||||||||
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| Elfstedenhal Gewestelijke Wedstrijd Alle Cat. | Leeuwarden (NED) | 11 October 2020 | ||||||||
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| Elfstedenhal Gewestelijke Wedstrijd Alle Categorieën | Leeuwarden (NED) | 16 February 2020 | ||||||||
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| Elfstedenhal Gewestelijke Wedstrijd Alle Cat. / FryslânCup | Leeuwarden (NED) | 19 January 2020 | ||||||||
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| Elfstedenhal Gewestelijke Wedstrijd Alle Categorieën | Leeuwarden (NED) | 29 December 2019 | ||||||||
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Native Language Names