Loek Sieberichs
Netherlands (NED)
March 2000 (MSA)
Personal Records
| 500m | 40,61 | 9 January 2016 | Heerenveen (NED) |
| 1000m | 1.21,37 | 20 March 2016 | Heerenveen (NED) |
| 1500m | 2.06,45 | 27 December 2015 | Inzell (GER) |
| 3000m | 4.30,13 | 6 February 2016 | Heerenveen (NED) |
| 5000m | 8.06,46 | 15 March 2016 | Heerenveen (NED) |
Season Bests
| 100m | 11,42 | 29 November 2016 | Utrecht (NED) |
| 300m | 27,97 | 29 November 2016 | Utrecht (NED) |
| 500m | 41,26 | 13 December 2016 | Heerenveen (NED) |
| 700m | 58,82 | 19 March 2017 | Utrecht (NED) |
| 1000m | 1.22,16 | 18 February 2017 | Heerenveen (NED) |
| 1500m | 2.08,29 | 27 February 2017 | Heerenveen (NED) |
| 3000m | 4.56,22 | 11 February 2017 | Utrecht (NED) |
| 500m | 40,61 | 9 January 2016 | Heerenveen (NED) |
| 1000m | 1.21,37 | 20 March 2016 | Heerenveen (NED) |
| 1500m | 2.06,45 | 27 December 2015 | Inzell (GER) |
| 3000m | 4.30,13 | 6 February 2016 | Heerenveen (NED) |
| 5000m | 8.06,46 | 15 March 2016 | Heerenveen (NED) |
| 500m | 42,71 | 18 March 2015 | Enschede (NED) |
| 1000m | 1.26,50 | 14 March 2015 | Utrecht (NED) |
| 1500m | 2.13,17 | 18 March 2015 | Enschede (NED) |
| 500m | 45,47 | 26 March 2014 | Heerenveen (NED) |
| 1000m | 1.34,25 | 8 March 2014 | Utrecht (NED) |
| 1500m | 2.22,66 | 26 March 2014 | Heerenveen (NED) |
| 500m | 48,67 | 23 March 2013 | Heerenveen (NED) |
| 1000m | 1.40,67 | 23 March 2013 | Heerenveen (NED) |
| 500m | 57,03 | 31 March 2012 | Heerenveen (NED) |
| 1000m | 2.04,44 | 25 February 2012 | Utrecht (NED) |
| 500m | 1.05,92 | 22 February 2011 | Utrecht (NED) |
| 500m | 1.12,43 | 7 March 2010 | Utrecht (NED) |
Results
| Cluppie Bokaal | Utrecht (NED) | 19 March 2017 | ||||||||||||
|
||||||||||||||
| Vechtsebanentrofee | Utrecht (NED) | 18 March 2017 | ||||||||||||
|
||||||||||||||
| Schaatscircuit.nl | Heerenveen (NED) | 27 February 2017 | ||||||||||||
|
||||||||||||||
| Schaatscircuit.nl | Heerenveen (NED) | 18 February 2017 | ||||||||||||
|
||||||||||||||
| Clubkampioenschappen AYV | Utrecht (NED) | 11 February 2017 | ||||||||||||
|
||||||||||||||
Native Language Names