Demi Sierdsma
Netherlands (NED)
February 1998 (LSA)
Personal Records
| 500m | 46,09 | 2 February 2015 | Heerenveen (NED) |
| 1000m | 1.31,58 | 31 January 2015 | Heerenveen (NED) |
| 1500m | 2.23,16 | 8 March 2014 | Heerenveen (NED) |
| 3000m | 5.08,28 | 31 January 2015 | Heerenveen (NED) |
Season Bests
| 500m | 48,01 | 5 March 2017 | Heerenveen (NED) |
| 1000m | 1.36,66 | 5 March 2017 | Heerenveen (NED) |
| 500m | 47,07 | 21 October 2015 | Inzell (GER) |
| 1000m | 1.33,69 | 21 October 2015 | Inzell (GER) |
| 3000m | 5.10,04 | 14 February 2016 | Heerenveen (NED) |
| 500m | 46,09 | 2 February 2015 | Heerenveen (NED) |
| 1000m | 1.31,58 | 31 January 2015 | Heerenveen (NED) |
| 1500m | 2.23,21 | 30 January 2015 | Heerenveen (NED) |
| 3000m | 5.08,28 | 31 January 2015 | Heerenveen (NED) |
| 500m | 46,52 | 7 March 2014 | Heerenveen (NED) |
| 1000m | 1.32,90 | 9 March 2014 | Heerenveen (NED) |
| 1500m | 2.23,16 | 8 March 2014 | Heerenveen (NED) |
| 3000m | 5.39,30 | 30 November 2013 | Heerenveen (NED) |
| 500m | 48,52 | 17 February 2013 | Heerenveen (NED) |
| 1000m | 1.35,22 | 17 February 2013 | Heerenveen (NED) |
| 1500m | 2.28,83 | 15 December 2012 | Heerenveen (NED) |
| 500m | 50,43 | 29 January 2012 | Heerenveen (NED) |
| 1000m | 1.39,98 | 29 January 2012 | Heerenveen (NED) |
| 1500m | 2.32,08 | 18 March 2012 | Heerenveen (NED) |
| 500m | 49,99 | 18 March 2011 | Heerenveen (NED) |
| 1000m | 1.43,48 | 19 March 2011 | Heerenveen (NED) |
| 500m | 55,11 | 8 March 2010 | Heerenveen (NED) |
| 1000m | 1.58,53 | 8 March 2010 | Heerenveen (NED) |
Results
| Baanwedstrijd Groep 1 | Heerenveen (NED) | 5 March 2017 | ||||||||
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| Baanwedstrijd Groep 1 | Heerenveen (NED) | 14 February 2016 | ||||||||
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| Baanwedstrijd Groep 1 | Heerenveen (NED) | 3 January 2016 | ||||||||
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| Baanwedstrijd Groep 1 | Heerenveen (NED) | 22 November 2015 | ||||||||
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| Sprintwedstrijden | Inzell (GER) | 22 October 2015 | ||||||||
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Native Language Names