Jan Duif
Netherlands (NED)15 June 1963 (M50)
Personal Records
| 500m | 39,47 | 22 February 2007 | Calgary (CAN) |
| 1000m | 1.15,99 | 16 March 2013 | Salt Lake City (USA) |
| 1500m | 1.54,96 | 25 February 2011 | Calgary (CAN) |
| 3000m | 4.02,65 | 24 February 2011 | Calgary (CAN) |
| 5000m | 7.04,72 | 24 February 2007 | Calgary (CAN) |
| 10000m | 15.25,95 | 21 March 2007 | Heerenveen (NED) |
Season Bests
| 500m | 39,55 | 23 February 2013 | Inzell (GER) |
| 1000m | 1.15,99 | 16 March 2013 | Salt Lake City (USA) |
| 1500m | 1.56,89 | 24 February 2013 | Inzell (GER) |
| 3000m | 4.11,04 | 23 February 2013 | Inzell (GER) |
| 5000m | 7.27,52 | 24 February 2013 | Inzell (GER) |
| 500m | 39,84 | 9 March 2012 | Erfurt (GER) |
| 1000m | 1.17,50 | 26 February 2012 | Heerenveen (NED) |
| 1500m | 1.57,80 | 10 March 2012 | Erfurt (GER) |
| 3000m | 4.13,50 | 10 March 2012 | Erfurt (GER) |
| 5000m | 7.24,31 | 11 March 2012 | Erfurt (GER) |
| 500m | 39,84 | 20 February 2011 | Calgary (CAN) |
| 1000m | 1.16,53 | 27 February 2011 | Calgary (CAN) |
| 1500m | 1.54,96 | 25 February 2011 | Calgary (CAN) |
| 3000m | 4.02,65 | 24 February 2011 | Calgary (CAN) |
| 5000m | 7.36,55 | 13 February 2011 | Utrecht (NED) |
| 500m | 40,43 | 14 October 2009 | Heerenveen (NED) |
| 1000m | 1.18,30 | 22 March 2010 | Heerenveen (NED) |
| 1500m | 1.59,27 | 3 February 2010 | Heerenveen (NED) |
| 3000m | 4.10,79 | 18 February 2010 | Heerenveen (NED) |
| 5000m | 7.22,51 | 28 February 2010 | Baselga di Pinè (ITA) |
| 500m | 40,11 | 19 March 2009 | Heerenveen (NED) |
| 1000m | 1.17,23 | 19 March 2009 | Heerenveen (NED) |
| 1500m | 1.57,36 | 18 November 2008 | Heerenveen (NED) |
| 3000m | 4.13,15 | 19 December 2008 | Heerenveen (NED) |
| 5000m | 7.34,32 | 16 January 2009 | Assen (NED) |
| 500m | 39,87 | 29 February 2008 | Erfurt (GER) |
| 1000m | 1.17,48 | 21 March 2008 | Heerenveen (NED) |
| 1500m | 1.56,57 | 1 March 2008 | Erfurt (GER) |
| 3000m | 4.08,55 | 1 March 2008 | Erfurt (GER) |
| 5000m | 7.06,32 | 2 March 2008 | Erfurt (GER) |
Results
| 5th Masters International Sprint Games 2013 | Salt Lake City (USA) | 16 - 17 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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| Baanselectie Wedstrijd | Hoorn (NED) | 3 February 2013 | ||||||||||||||||
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| Schaatscircuit.nl | Heerenveen (NED) | 29 January 2013 | ||||||||||||||||
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