Geert Hamstra
Netherlands (NED)
May 1977 (M45)
Personal Records
| 500m | 39,49 | 9 March 2001 | Heerenveen (NED) |
| 1000m | 1.19,28 | 9 February 1998 | Heerenveen (NED) |
| 1500m | 1.58,07 | 10 March 2001 | Heerenveen (NED) |
| 3000m | 4.10,46 | 10 March 2001 | Heerenveen (NED) |
| 5000m | 7.12,22 | 9 March 2001 | Heerenveen (NED) |
| 10000m | 16.05,58 | 1 February 1998 | Groningen (NED) |
Season Bests
| 100m | 11,89 | 8 January 2023 | Leeuwarden (NED) |
| 500m | 43,29 | 8 January 2023 | Leeuwarden (NED) |
| 500m | 43,56 | 12 January 2020 | Leeuwarden (NED) |
| 1000m | 1.28,16 | 12 January 2020 | Leeuwarden (NED) |
| 500m | 42,78 | 13 January 2019 | Leeuwarden (NED) |
| 1000m | 1.27,10 | 13 January 2019 | Leeuwarden (NED) |
| 500m | 41,28 | 16 January 2010 | Heerenveen (NED) |
| 1500m | 2.05,74 | 16 January 2010 | Heerenveen (NED) |
| 500m | 40,75 | 23 November 2008 | Heerenveen (NED) |
| 1500m | 2.03,44 | 9 March 2009 | Heerenveen (NED) |
| 500m | 40,45 | 2 March 2008 | Heerenveen (NED) |
| 1500m | 2.03,60 | 2 March 2008 | Heerenveen (NED) |
Results
| Club Wedstrijd STS | Leeuwarden (NED) | 8 January 2023 | ||||||||
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| Elfstedenhal Clubwedstrijd STS-Trias | Leeuwarden (NED) | 12 January 2020 | ||||||||
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| Elfstedenhal Clubwedstrijd STS-Trias | Leeuwarden (NED) | 13 January 2019 | ||||||||
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| Baanwedstrijd Klasse 1 | Heerenveen (NED) | 25 January 2010 | ||||||||
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| Clubwedstrijd Groep 2 | Heerenveen (NED) | 16 January 2010 | ||||||||
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Native Language Names