Jorn Siemonsma
Netherlands (NED)
May 1978 (M45)
Personal Records
| 500m | 42,28 | 25 January 2010 | Heerenveen (NED) |
| 1000m | 1.24,23 | 8 March 2010 | Heerenveen (NED) |
| 1500m | 2.11,23 | 23 November 2009 | Heerenveen (NED) |
| 3000m | 4.51,98 | 17 March 1996 | Heerenveen (NED) |
Season Bests
| 500m | 42,83 | 3 January 2011 | Heerenveen (NED) |
| 1000m | 1.26,29 | 3 January 2011 | Heerenveen (NED) |
| 1500m | 2.11,76 | 7 March 2011 | Heerenveen (NED) |
| 500m | 42,28 | 25 January 2010 | Heerenveen (NED) |
| 1000m | 1.24,23 | 8 March 2010 | Heerenveen (NED) |
| 1500m | 2.11,23 | 23 November 2009 | Heerenveen (NED) |
| 500m | 42,74 | 16 February 2009 | Heerenveen (NED) |
| 1000m | 1.26,27 | 6 December 2008 | Heerenveen (NED) |
| 1500m | 2.12,26 | 16 February 2009 | Heerenveen (NED) |
Results
| Baanwedstrijd Klasse 1 | Heerenveen (NED) | 7 March 2011 | ||||||||
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| Baanwedstrijd Klasse 1 | Heerenveen (NED) | 31 January 2011 | ||||||||
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| Baanwedstrijd Klasse 1 | Heerenveen (NED) | 3 January 2011 | ||||||||
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| Baanwedstrijd Klasse 1 | Heerenveen (NED) | 29 November 2010 | ||||||||
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| Baanwedstrijd | Heerenveen (NED) | 1 November 2010 | ||||||||
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Native Language Names