Johannes Boersma
Netherlands (NED)
February 1981 (M40)
Personal Records
| 500m | 40,06 | 8 December 2002 | Heerenveen (NED) |
| 1000m | 1.20,55 | 24 March 2003 | Heerenveen (NED) |
| 1500m | 2.05,99 | 11 March 2002 | Heerenveen (NED) |
| 3000m | 4.47,44 | 12 March 2000 | Heerenveen (NED) |
Season Bests 2007-2008
| 500m | 41,06 | 20 October 2007 | Heerenveen (NED) |
| 1000m | 1.23,16 | 15 October 2007 | Heerenveen (NED) |
| 1500m | 2.10,06 | 11 November 2007 | Heerenveen (NED) |
Results
| Clubwedstrijd | Heerenveen (NED) | 17 February 2008 | ||||||||
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| Sunday Races | Heerenveen (NED) | 30 December 2007 | ||||||||
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| Clubwedstrijd | Heerenveen (NED) | 22 - 23 December 2007 | ||||||||
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| Clubwedstrijd | Heerenveen (NED) | 17 - 18 November 2007 | ||||||||
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| Clubwedstrijd | Heerenveen (NED) | 10 - 11 November 2007 | ||||||||
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Native Language Names