Cosmo Bulthuis
Netherlands (NED)
May 1996 (MSA)
Personal Records
| 500m | 39,13 | 8 January 2017 | Leeuwarden (NED) |
| 1000m | 1.18,25 | 25 January 2016 | Heerenveen (NED) |
| 1500m | 2.03,55 | 4 January 2016 | Heerenveen (NED) |
| 3000m | 4.57,25 | 17 February 2013 | Heerenveen (NED) |
Season Bests
| 100m | 10,84 | 26 December 2016 | Heerenveen (NED) |
| 300m | 25,11 | 26 December 2016 | Heerenveen (NED) |
| 500m | 39,13 | 8 January 2017 | Leeuwarden (NED) |
| 1000m | 1.18,88 | 8 January 2017 | Leeuwarden (NED) |
| 1500m | 2.04,32 | 11 December 2016 | Leeuwarden (NED) |
| 500m | 39,38 | 4 January 2016 | Heerenveen (NED) |
| 1000m | 1.18,25 | 25 January 2016 | Heerenveen (NED) |
| 1500m | 2.03,55 | 4 January 2016 | Heerenveen (NED) |
| 500m | 40,94 | 24 January 2015 | Heerenveen (NED) |
| 1000m | 1.23,11 | 11 January 2015 | Heerenveen (NED) |
| 1500m | 2.11,44 | 1 December 2014 | Heerenveen (NED) |
| 500m | 42,30 | 15 December 2013 | Heerenveen (NED) |
| 1000m | 1.24,12 | 15 December 2013 | Heerenveen (NED) |
| 1500m | 2.18,61 | 15 March 2014 | Utrecht (NED) |
| 500m | 42,81 | 2 February 2013 | Heerenveen (NED) |
| 1000m | 1.28,89 | 24 October 2012 | Inzell (GER) |
| 1500m | 2.21,43 | 7 January 2013 | Heerenveen (NED) |
| 3000m | 4.57,25 | 17 February 2013 | Heerenveen (NED) |
| 500m | 43,70 | 18 March 2012 | Heerenveen (NED) |
| 1000m | 1.32,97 | 21 November 2011 | Heerenveen (NED) |
| 1500m | 2.20,15 | 18 March 2012 | Heerenveen (NED) |
| 500m | 47,82 | 14 February 2011 | Heerenveen (NED) |
| 1000m | 1.43,59 | 27 November 2010 | Heerenveen (NED) |
| 1500m | 2.35,71 | 14 February 2011 | Heerenveen (NED) |
Results
| Baanwedstrijd Elfstedenhal | Leeuwarden (NED) | 8 January 2017 | ||||||||||||
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| Kerstsprinttoernooi 2016 | Heerenveen (NED) | 26 December 2016 | ||||||||||||
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| Gewestelijke Wedstrijd voor A-Jun. en Ouder | Heerenveen (NED) | 12 December 2016 | ||||||||||||
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| Baanwedstrijd Elfstedenhal | Leeuwarden (NED) | 11 December 2016 | ||||||||||||
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| Baanwedstrijd Elfstedenhal | Leeuwarden (NED) | 20 November 2016 | ||||||||||||
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Native Language Names