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Biographical data for: Jan LAKEMAN
| Classifications in season 2017/2018: |
| Results in season 2017/2018: |
| 500 meter |
| 56 | .80 | 30/12/17 | Den Haag NED | Regio West Sebra Sports Cup 2 | Heats, Groep 1 | |
| 58 | .85 | 30/12/17 | Den Haag NED | Regio West Sebra Sports Cup 2 | Finale, Groep 4 | |
| 59 | .40 | 30/12/17 | Den Haag NED | Regio West Sebra Sports Cup 2 | Halve Finale, Groep 2 | |
| 59 | .57 | 18/11/17 | Utrecht NED | Regio West Sebra Sports Cup 1 | Halve Finale, Groep 2 | |
| 59 | .69 | 03/02/18 | Alkmaar NED | Mastercup | Heats, Groep 1 | |
| 59 | .71 | 20/01/18 | Dordrecht NED | Regio West Sebra Sports Cup 3 | Halve Finale, Groep 2 | |
| 59 | .81 | 28/01/18 | Hoorn NED | Regio West Sebra Sports Cup 4 | Heats, Groep 1 | |
| 59 | .87 | 03/02/18 | Alkmaar NED | Mastercup | Final, Groep 3 | |
| 1:00 | .14 | 03/02/18 | Alkmaar NED | Mastercup | Semi final, Groep 1 | |
| 1:01 | .14 | 18/11/17 | Utrecht NED | Regio West Sebra Sports Cup 1 | Finale, Groep 4 | |
| 1:01 | .44 | 18/11/17 | Utrecht NED | Regio West Sebra Sports Cup 1 | Heats, Groep 1 | |
| 1:10 | .53 | 20/01/18 | Dordrecht NED | Regio West Sebra Sports Cup 3 | Heats, Groep 1 | |
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| 1000 meter |
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