Piet Siemonsma
Netherlands (NED)
October 1953 (M70)
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 | 45,09 | 20 March 2025 | Heerenveen (NED) |
| 1000m | 1.29,66 | 27 January 2025 | Heerenveen (NED) |
| 1500m | 2.20,65 | 25 January 2025 | Heerenveen (NED) |
| 3000m | 4.59,88 | 23 November 2024 | Heerenveen (NED) |
| 500m | 44,30 | 11 December 2023 | Heerenveen (NED) |
| 1000m | 1.28,01 | 14 March 2024 | Heerenveen (NED) |
| 1500m | 2.17,65 | 27 November 2023 | Heerenveen (NED) |
| 3000m | 4.56,54 | 11 November 2023 | Heerenveen (NED) |
| 500m | 44,10 | 16 March 2023 | Heerenveen (NED) |
| 1000m | 1.27,59 | 16 March 2023 | Heerenveen (NED) |
| 1500m | 2.16,58 | 21 November 2022 | Heerenveen (NED) |
| 3000m | 4.56,34 | 8 January 2023 | Heerenveen (NED) |
| 500m | 43,37 | 1 December 2021 | Heerenveen (NED) |
| 1000m | 1.28,28 | 30 January 2022 | Heerenveen (NED) |
| 1500m | 2.14,40 | 1 December 2021 | Heerenveen (NED) |
| 3000m | 4.52,46 | 27 November 2021 | Heerenveen (NED) |
| 500m | 42,80 | 2 February 2020 | Heerenveen (NED) |
| 1000m | 1.26,04 | 11 March 2020 | Heerenveen (NED) |
| 1500m | 2.13,87 | 10 March 2020 | Heerenveen (NED) |
| 3000m | 4.44,24 | 6 January 2020 | Heerenveen (NED) |
| 500m | 43,13 | 4 February 2019 | Heerenveen (NED) |
| 1000m | 1.26,27 | 4 March 2019 | Heerenveen (NED) |
| 1500m | 2.12,22 | 21 November 2018 | Heerenveen (NED) |
| 3000m | 4.45,92 | 3 December 2018 | Heerenveen (NED) |
| 500m | 43,00 | 16 January 2018 | Heerenveen (NED) |
| 1000m | 1.25,93 | 15 March 2018 | Heerenveen (NED) |
| 1500m | 2.11,40 | 16 January 2018 | Heerenveen (NED) |
| 3000m | 4.45,18 | 10 December 2017 | Heerenveen (NED) |
| 5000m | 8.16,77 | 11 February 2018 | Groningen (NED) |
| 500m | 43,08 | 21 March 2017 | Heerenveen (NED) |
| 1000m | 1.24,94 | 21 March 2017 | Heerenveen (NED) |
| 1500m | 2.11,34 | 23 January 2017 | Heerenveen (NED) |
| 3000m | 4.41,79 | 9 January 2017 | Heerenveen (NED) |
| 5000m | 8.09,28 | 12 February 2017 | Enschede (NED) |
| 500m | 43,59 | 4 March 2016 | Leeuwarden (NED) |
| 1500m | 2.11,63 | 5 March 2016 | Leeuwarden (NED) |
| 3000m | 4.40,26 | 4 March 2016 | Leeuwarden (NED) |
| 5000m | 8.00,91 | 6 March 2016 | Leeuwarden (NED) |
| 500m | 43,67 | 21 December 2014 | Heerenveen (NED) |
| 1000m | 1.27,92 | 22 September 2014 | Heerenveen (NED) |
| 1500m | 2.13,71 | 2 February 2015 | Heerenveen (NED) |
| 3000m | 4.44,23 | 10 November 2014 | Heerenveen (NED) |
| 5000m | 8.21,09 | 8 March 2015 | Groningen (NED) |
| 500m | 43,41 | 24 February 2014 | Heerenveen (NED) |
| 1000m | 1.26,10 | 24 February 2014 | Heerenveen (NED) |
| 1500m | 2.14,02 | 26 January 2014 | Heerenveen (NED) |
| 3000m | 4.41,67 | 3 February 2014 | Heerenveen (NED) |
| 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
| 5th Masters International Thialf Record Races | Heerenveen (NED) | 19 - 20 March 2025 | ||||||||||||||||
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| Masters Allround Games 2025 | Stavanger (NOR) | 7 - 9 March 2025 | ||||||||||||||||
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| Gewestelijke Wedstrijd Oudste Pupillen / C Junioren en Ouder | Heerenveen (NED) | 17 February 2025 | ||||||||||||||||
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| Netherlands - Masters Championships 2025 | Enschede (NED) | 8 - 9 February 2025 | ||||||||||||||||
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| Gewestelijke Wedstrijd Pupillen / Supersprint Jun. C/B / A Jun. en Ouder | Heerenveen (NED) | 27 January 2025 | ||||||||||||||||
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Native Language Names