Ronald Bosker
Switzerland (SUI)
May 1968 (M55)
Personal Records
| 500m | 39,87 | 27 February 2004 | Heerenveen (NED) |
| 1000m | 1.17,37 | 19 February 2005 | Heerenveen (NED) |
| 1500m | 1.56,11 | 8 January 2005 | Heerenveen (NED) |
| 3000m | 4.01,76 | 23 November 2003 | Heerenveen (NED) |
| 5000m | 6.51,63 | 14 November 2004 | Hamar (NOR) |
| 10000m | 14.16,44 | 19 February 2005 | Heerenveen (NED) |
Season Bests
| 500m | 47,66 | 3 February 2018 | St. Moritz (SUI) |
| 1000m | 1.35,16 | 3 February 2018 | St. Moritz (SUI) |
| 1500m | 2.30,52 | 4 February 2018 | St. Moritz (SUI) |
| 5000m | 9.09,80 | 3 February 2018 | St. Moritz (SUI) |
| 10000m | 19.00,58 | 4 February 2018 | St. Moritz (SUI) |
| 500m | 48,48 | 4 January 2014 | Davos (SUI) |
| 500m | 44,38 | 2 January 2010 | Davos (SUI) |
Results
| Switzerland - National Championships 2018 / 1st Alpen Speed Cup | St. Moritz (SUI) | 2 - 4 February 2018 | ||||||||||||||||||||
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| 14th Masters International Davos Meeting | Davos (SUI) | 4 January 2014 | ||||||||||||||||||||
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| International Competition | Davos (SUI) | 2 - 3 January 2010 | ||||||||||||||||||||
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Native Language Names