Jan Jacob Altenburg
Netherlands (NED)
June 1974 (M50)
Personal Records
| 500m | 50,02 | 4 November 2012 | Heerenveen (NED) |
| 1000m | 1.41,31 | 4 November 2012 | Heerenveen (NED) |
| 1500m | 2.35,17 | 17 March 2013 | Heerenveen (NED) |
Season Bests
| 100m | 14,10 | 19 November 2023 | Leeuwarden (NED) |
| 500m | 1.10,58 | 19 November 2023 | Leeuwarden (NED) |
| 100m | 13,48 | 6 February 2022 | Leeuwarden (NED) |
| 500m | 51,39 | 6 February 2022 | Leeuwarden (NED) |
| 500m | 51,40 | 1 December 2013 | Heerenveen (NED) |
| 1000m | 1.47,71 | 1 December 2013 | Heerenveen (NED) |
| 500m | 50,02 | 4 November 2012 | Heerenveen (NED) |
| 1000m | 1.41,31 | 4 November 2012 | Heerenveen (NED) |
| 1500m | 2.35,17 | 17 March 2013 | Heerenveen (NED) |
| 500m | 51,98 | 11 March 2012 | Heerenveen (NED) |
| 1000m | 1.46,04 | 11 March 2012 | Heerenveen (NED) |
| 1500m | 2.46,99 | 22 January 2012 | Heerenveen (NED) |
| 500m | 54,88 | 30 January 2011 | Heerenveen (NED) |
| 1000m | 1.55,64 | 30 January 2011 | Heerenveen (NED) |
Results
| Ferwerter IIsclub, STB en de Eskimo's | Leeuwarden (NED) | 19 November 2023 | ||||||||
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| Clubwedstrijd STB en Eskimo's | Leeuwarden (NED) | 6 February 2022 | ||||||||
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| Clubwedstrijd Groep 1 | Heerenveen (NED) | 1 December 2013 | ||||||||
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| Clubwedstrijd Groep 1 | Heerenveen (NED) | 17 March 2013 | ||||||||
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| Clubwedstrijd Jurygroep 1 | Heerenveen (NED) | 4 November 2012 | ||||||||
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Native Language Names