Stefan Groothuis is a Dutch retired speed skater. He is the World Sprint Champion for 2012 and the gold medal winner in the 1000 metres at the 2014 Winter Olympics.
The 2009 World Allround Speed Skating Championships were held at the indoor ice rink of the Vikingskipet Olympic Arena in Hamar (Norway) on 7 and 8 February 2009.
The 2006 World Allround Speed Skating Championships were held in the indoor Olympic Oval in Calgary (Canada) on 18 and 19 March 2006.
The 2008 World Allround Speed Skating Championships were held in the indoor arena in Berlin, Germany, on 9 and 10 February 2008. The Dutch skaters Paulien van Deutekom and Sven Kramer became world champions.
The 2010 World Sprint Speed Skating Championships was held between 16 January and 17 January 2010 at the Meiji Hokkaido-Tokachi Oval in Obihiro, Hokkaidō.
The 2011 World Allround Speed Skating Championships was held at the indoor ice rink of the Olympic Oval in Calgary, Alberta, (Canada) on 12 and 13 February 2011.
The 2011 World Sprint Speed Skating Championships were a long track speed skating event held on 22 and 23 January 2011 in Thialf, Heerenveen, Netherlands.
The 2009 European Speed Skating Championships were held at the indoor ice rink of the Thialf in Heerenveen on 9–11 January 2009.
The 2009 World Sprint Speed Skating Championships were held in Krylatskoje, Moscow, on 17 and 18 January 2009. They were the 38th World Championships.
The 2008 European Speed Skating Championships were held at the Kolomna Speed Skating Center in Kolomna, Russia, from 12 to 13 January 2008.
The 2005 World Allround Speed Skating Championships were held in the indoor arena in Moscow, Russia, on 5 and 6 February 2005.
The 2004 World Allround Speed Skating Championships were held in Vikingskipet in Hamar, Norway, on 7 and 8 February 2004:
The 2003 World Allround Speed Skating Championships were held in Ruddalens IP in Gothenburg, Sweden, on 8–9 February 2003. Canadian Cindy Klassen and Dutchman Gianni Romme became the world champions.
The 2002 World Allround Speed Skating Championships were held in Thialf in Heerenveen, Netherlands, on 15, 16 and 17 March 2002.
The 2001 World Allround Speed Skating Championships were held on the City Park Ice Rink in Budapest, Hungary, on 10–11 February 2001.
The 1999 World Allround Speed Skating Championships was held on 6–7 February 1999 in the Vikingskipet arena in Hamar, Norway.
The 2013 World Sprint Speed Skating Championships is a long track speed skating event that was held on January 26–27, 2013, in the Utah Olympic Oval, in Salt Lake City, United States.
The 2014 World Sprint Speed Skating Championships, officially the Essent ISU World Sprint Speed Skating Championships 2014, were held in Nagano, Japan, from 18 to 19 January 2014.
The 2006 European Speed Skating Championships were held at the Vikingskipet in Hamar, Norway, on 14 and 15 January 2006.
The 2004 European Speed Skating Championships were held at Thialf in Heerenveen, Netherlands, from 9 January until 11 January 2004. Mark Tuitert and Anni Friesinger won the titles.
