Joke Wittenberg
Netherlands (NED)20 December 1951 (L60)
Personal Records
| 500m | 49,30 | 19 January 1973 | Inzell (GER) |
| 1000m | 1.39,50 | 26 January 1973 | Inzell (GER) |
| 1500m | 2.33,03 | 25 February 2011 | Calgary (CAN) |
| 3000m | 5.15,80 | 27 February 2011 | Calgary (CAN) |
Season Bests
| 500m | 52,46 | 22 February 2013 | Inzell (GER) |
| 1000m | 1.43,06 | 23 February 2013 | Inzell (GER) |
| 1500m | 2.38,75 | 18 December 2012 | Heerenveen (NED) |
| 3000m | 5.50,10 | 23 February 2013 | Inzell (GER) |
| 500m | 51,94 | 25 October 2011 | Heerenveen (NED) |
| 1000m | 1.41,25 | 25 February 2012 | Heerenveen (NED) |
| 1500m | 2.37,20 | 19 November 2011 | Erfurt (GER) |
| 3000m | 5.30,74 | 31 October 2011 | Heerenveen (NED) |
| 500m | 50,87 | 25 February 2011 | Calgary (CAN) |
| 1000m | 1.39,84 | 26 February 2011 | Calgary (CAN) |
| 1500m | 2.33,03 | 25 February 2011 | Calgary (CAN) |
| 3000m | 5.15,80 | 27 February 2011 | Calgary (CAN) |
| 500m | 51,45 | 23 January 2010 | Salt Lake City (USA) |
| 1000m | 1.42,44 | 23 January 2010 | Salt Lake City (USA) |
| 1500m | 2.39,18 | 30 January 2010 | Salt Lake City (USA) |
| 3000m | 5.29,93 | 31 January 2010 | Salt Lake City (USA) |
| 500m | 52,24 | 21 February 2009 | Heerenveen (NED) |
| 1000m | 1.44,98 | 21 February 2009 | Heerenveen (NED) |
| 1500m | 2.39,43 | 7 March 2009 | Heerenveen (NED) |
| 3000m | 5.40,72 | 1 February 2009 | Heerenveen (NED) |
| 500m | 51,05 | 29 February 2008 | Erfurt (GER) |
| 1000m | 1.40,80 | 20 March 2008 | Heerenveen (NED) |
| 1500m | 2.34,59 | 8 March 2008 | Heerenveen (NED) |
| 3000m | 5.26,92 | 2 March 2008 | Erfurt (GER) |
Results
| Baankampioenschap Masters | Heerenveen (NED) | 11 March 2013 | ||||||||||||||||
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| 22nd Masters International Allround Games | Inzell (GER) | 22 - 24 February 2013 | ||||||||||||||||
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| Netherlands - Masters Championships 2013 | Deventer (NED) | 9 - 10 February 2013 | ||||||||||||||||
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| Schaatscircuit.nl | Heerenveen (NED) | 29 January 2013 | ||||||||||||||||
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| Schaatscircuit.nl | Heerenveen (NED) | 23 January 2013 | ||||||||||||||||
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