Pieter Hessel Siemonsma
Netherlands (NED)28 October 1953 (M55)
Personal Records
| 500m | 42,05 | 20 February 2011 | Calgary (CAN) |
| 1000m | 1.23,23 | 19 February 2011 | Calgary (CAN) |
| 1500m | 2.05,11 | 25 February 2011 | Calgary (CAN) |
| 3000m | 4.26,35 | 24 February 2011 | Calgary (CAN) |
| 5000m | 7.30,03 | 26 February 2011 | Calgary (CAN) |
Season Bests
| 500m | 43,40 | 19 March 2013 | Heerenveen (NED) |
| 1000m | 1.26,10 | 19 March 2013 | Heerenveen (NED) |
| 1500m | 2.12,65 | 3 March 2013 | Heerenveen (NED) |
| 3000m | 4.42,36 | 29 October 2012 | Heerenveen (NED) |
| 500m | 43,14 | 5 December 2011 | Heerenveen (NED) |
| 1500m | 2.10,67 | 23 January 2012 | Heerenveen (NED) |
| 3000m | 4.38,95 | 2 January 2012 | Heerenveen (NED) |
| 500m | 42,05 | 20 February 2011 | Calgary (CAN) |
| 1000m | 1.23,23 | 19 February 2011 | Calgary (CAN) |
| 1500m | 2.05,11 | 25 February 2011 | Calgary (CAN) |
| 3000m | 4.26,35 | 24 February 2011 | Calgary (CAN) |
| 5000m | 7.30,03 | 26 February 2011 | Calgary (CAN) |
| 500m | 43,24 | 6 February 2010 | Heerenveen (NED) |
| 1000m | 1.26,52 | 25 January 2010 | Heerenveen (NED) |
| 1500m | 2.09,73 | 7 February 2010 | Heerenveen (NED) |
| 3000m | 4.36,91 | 6 February 2010 | Heerenveen (NED) |
| 5000m | 7.59,43 | 7 February 2010 | Heerenveen (NED) |
| 500m | 43,12 | 1 February 2009 | Heerenveen (NED) |
| 1000m | 1.25,90 | 14 March 2009 | Heerenveen (NED) |
| 1500m | 2.10,21 | 8 March 2009 | Heerenveen (NED) |
| 3000m | 4.37,24 | 7 March 2009 | Heerenveen (NED) |
| 5000m | 7.59,17 | 8 March 2009 | Heerenveen (NED) |
| 500m | 42,42 | 8 March 2008 | Heerenveen (NED) |
| 1000m | 1.24,47 | 14 January 2008 | Heerenveen (NED) |
| 1500m | 2.10,25 | 3 February 2008 | Heerenveen (NED) |
| 3000m | 4.35,30 | 8 March 2008 | Heerenveen (NED) |
| 5000m | 7.59,27 | 9 March 2008 | Heerenveen (NED) |
Results
| 6th Masters International Heerenveen Sprint | Heerenveen (NED) | 19 - 20 March 2013 | ||||||||||||||||
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| Schaatscircuit.nl | Heerenveen (NED) | 12 March 2013 | ||||||||||||||||
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| Baankampioenschap Masters | Heerenveen (NED) | 11 March 2013 | ||||||||||||||||
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| Clubwedstrijd Groep 4 C-Jun. en Ouder | Heerenveen (NED) | 3 March 2013 | ||||||||||||||||
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| Baanwedstrijd B-Jun. en Ouder | Heerenveen (NED) | 25 February 2013 | ||||||||||||||||
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