Johan Buma
Netherlands (NED)
October 1972 (M50)
Personal Records
| 500m | 44,84 | 27 November 2005 | Heerenveen (NED) |
| 1000m | 1.28,97 | 19 January 2004 | Heerenveen (NED) |
| 1500m | 2.14,26 | 27 November 2005 | Heerenveen (NED) |
| 3000m | 4.51,64 | 10 January 2005 | Heerenveen (NED) |
Season Bests
| 500m | 49,13 | 12 January 2014 | Heerenveen (NED) |
| 1000m | 1.36,41 | 12 January 2014 | Heerenveen (NED) |
| 500m | 47,28 | 23 December 2012 | Heerenveen (NED) |
| 1000m | 1.33,93 | 4 November 2012 | Heerenveen (NED) |
| 1500m | 2.24,19 | 23 December 2012 | Heerenveen (NED) |
| 500m | 47,08 | 11 December 2010 | Heerenveen (NED) |
| 1000m | 1.32,92 | 11 December 2010 | Heerenveen (NED) |
| 1500m | 2.20,49 | 14 February 2011 | Heerenveen (NED) |
Results
| Clubwedstrijd Groep 1 | Heerenveen (NED) | 12 January 2014 | ||||||||
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| Clubwedstrijd Groep 1 | Heerenveen (NED) | 23 December 2012 | ||||||||
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| Baanwedstrijd A-Jun. en Ouder | Heerenveen (NED) | 10 December 2012 | ||||||||
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| Clubwedstrijd Jurygroep 1 | Heerenveen (NED) | 4 November 2012 | ||||||||
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| Baanwedstrijd Klasse 2 | Heerenveen (NED) | 14 February 2011 | ||||||||
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Native Language Names