Robert Rintje Ritsma is a former Dutch long track speed skater. His nickname is the Beer van Lemmer, which translates to the Bear from Lemmer, analogous to Igor Zhelezovski's nickname "The Bear from Minsk", both of which are in reference to their imposing physical appearance.
The 2007 KNSB Dutch Single Distance Championships were the venue where the Dutch single distance champions in speed skating were crowned. Although the event took place from 3 November until 5 November 2006 this was the 2007 edition as it is part of the 2006–07 speed skating season. The competition took place at De Smelt sports hall in Assen.
The 2006 KNSB Dutch Single Distance Championships are the venue where the Dutch single distance champions in speed skating are crowned. Although the event took place from 27 December until 30 December 2005, the season is called the 2006 edition, as it is part of the 2005-06 speed skating season. The venue was the Thialf sports hall in Heerenveen.
The 2008 KNSB Dutch Single Distance Championships were held at the Thialf ice stadium in Heerenveen from Friday October 26 until Sunday October 28, 2007. Although the tournament was held in 2007 it was the 2008 edition as it is part of the 2007/2008 speed skating season.
The 2009 KNSB Dutch Single Distance Championships will be held from Friday October 31 until Sunday November 2, 2008 at the Thialf ice stadium in Heerenveen. Although the championships are held in 2008 it is the 2009 edition as it is part of the 2008/2009 speed skating season.
The Dutch Allround Championships of speed skating, organised by the KNSB, is the official Dutch championship to determine the Dutch Allround champion, in contrast to the KNSB Dutch Single Distance Championships, which determines a Dutch champion for each distance. The Allround distance championships date back to 1901 for men and 1955 for women.
The 2010 KNSB Dutch Allround Championships in speed skating were held at the Thialf ice stadium in Heerenveen, Netherlands on 6 and 7 March 2010. The championships were part of the 2009-2010 speed skating season.
The 2010 KNSB Dutch Single Distance Championships were held at the Thialf ice stadium in Heerenveen from Friday October 30 until Sunday November 1, 2009. Although the tournament was held in 2009 it was the 2010 edition as it is part of the 2009/2010 speed skating season.
The 2011 KNSB Dutch Single Distance Championships were held at the Thialf ice stadium in Heerenveen from 5 November until 7 November 2010. Although the tournament was held in 2010 it was the 2011 edition as it is part of the 2010/2011 speed skating season.
The 2010 KNSB Dutch Allround Championships in speed skating were held at the Thialf ice stadium in Heerenveen, Netherlands, from 27 to 29 December 2010. Although the tournament was held in 2010 it was the 2011 edition as it is part of the 2010–11 speed skating season.
The 2013 KNSB Dutch Single Distance Championships were held at the Thialf ice stadium in Heerenveen from 9 November until 11 November 2012. Although the tournament was held in 2012 it was the 2013 edition as it is part of the 2012/2013 speed skating season.
The 2012 KNSB Dutch Single Distance Championships were a speed skating event held at the Thialf ice stadium in Heerenveen from 4 November until 6 November 2011. Although the tournament was held in 2011 it was the 2012 edition as it is part of the 2011/2012 speed skating season.
The 2012 KNSB Dutch Sprint Championships in speed skating were held at the Thialf ice stadium in Heerenveen, Netherlands.
The 2010 KNSB Dutch Sprint Championships in speed skating were held at the Kardinge ice stadium in Groningen, Netherlands.
The 2005 KNSB Dutch Single Distance Championships are the venue where the Dutch single distance champions in speed skating are crowned. Although the event took place from 5 until 7 November 2004 this is the 2005 edition as it is part of the 2005-06 speed skating season. Venue is De Smelt sports hall in Assen.
The 2013 KNSB Dutch Allround Championships in speed skating were held at the Thialf ice stadium in Heerenveen, Netherlands from 29 to 30 December 2012. The tournament is part of the 2012/2013 speed skating season.
The 2013 KNSB Dutch Sprint Championships in speed skating were held at the Kardinge ice stadium in Groningen, Netherlands. Stefan Groothuis and Margot Boer were the defending champions. Stefan Groothuis succeeded his title but Margot Boer lost hers to Marrit Leenstra. Stefan Groothuis got his 6th Dutch Sprint Championship title.
The 2014 KNSB Dutch Single Distance Championships were held at the Thialf ice stadium in Heerenveen from 25 October until 27 October 2013. Although the tournament was held in 2013 it was the 2014 edition as it is part of the 2013/2014 speed skating season.
The 1998 World Allround Speed Skating Championships were held on 13–15 March 1998 in the Thialf stadium in Heerenveen, Netherlands.
The 56th edition of the Women's World Allround Speed Skating Championships was held on 3 and 4 March 1995 at the Savalen kunstisbane in Savalen, Norway.
