Mark Tuitert of the Netherlands starts as he competes in the men's 1,500 metres speed skating race during the 2014 Sochi Winter Olympics, February 15, 2014. REUTERS/Issei Kato (RUSSIA - Tags: OLYMPICS SPORT SPEED SKATING)

Mark Tuitert of the Netherlands reacts after the men's 1,500 metres speed skating race in the Adler Arena at the Sochi 2014 Winter Olympic Games February 15, 2014. REUTERS/Issei Kato (RUSSIA - Tags: OLYMPICS SPORT SPEED SKATING)

Mark Tuitert of the Netherlands waves after competing in the men's 1,500 metres speed skating race during the 2014 Sochi Winter Olympics, February 15, 2014. REUTERS/Marko Djurica (RUSSIA - Tags: OLYMPICS SPORT SPEED SKATING)

Mark Tuitert of the Netherlands reacts after the men's 1,500 metres speed skating race in the Adler Arena at the Sochi 2014 Winter Olympic Games February 15, 2014. REUTERS/Marko Djurica (RUSSIA - Tags: OLYMPICS SPORT SPEED SKATING)

Mark Tuitert of the Netherlands reacts after competing in the men's 1,500 metres speed skating race during the 2014 Sochi Winter Olympics, February 15, 2014. REUTERS/Marko Djurica (RUSSIA - Tags: OLYMPICS SPORT SPEED SKATING)

Mark Tuitert of the Netherlands skates during the men's 1,500 metres speed skating race in the Adler Arena at the Sochi 2014 Winter Olympic Games February 15, 2014. REUTERS/Phil Noble (RUSSIA - Tags: OLYMPICS SPORT SPEED SKATING)

Mark Tuitert of the Netherlands reacts after competing in the men's 1,500 metres speed skating race during the 2014 Sochi Winter Olympics, February 15, 2014. REUTERS/Phil Noble (RUSSIA - Tags: OLYMPICS SPORT SPEED SKATING)

Mark Tuitert of the Netherlands reacts after the men's 1,500 metres speed skating race in the Adler Arena at the Sochi 2014 Winter Olympic Games February 15, 2014. REUTERS/Phil Noble (RUSSIA - Tags: OLYMPICS SPORT SPEED SKATING)

Mark Tuitert of the Netherlands reacts after competing in the men's 1,500 metres speed skating race during the 2014 Sochi Winter Olympics, February 15, 2014. REUTERS/Phil Noble (RUSSIA - Tags: OLYMPICS SPORT SPEED SKATING)

Mark Tuitert of the Netherlands skates during the men's 1,500 metres speed skating race in the Adler Arena at the Sochi 2014 Winter Olympic Games February 15, 2014. REUTERS/Marko Djurica (RUSSIA - Tags: OLYMPICS SPORT SPEED SKATING)

Mark Tuitert of the Netherlands skates during the men's 1,000 metres speed skating race at the Adler Arena during the 2014 Sochi Winter Olympics February 12, 2014. REUTERS/Issei Kato (RUSSIA - Tags: OLYMPICS SPORT SPEED SKATING)

Mark Tuitert of the Netherlands competes in the men's 1,000 meters speed skating race during the 2014 Sochi Winter Olympics, February 12, 2014. REUTERS/Phil Noble (RUSSIA - Tags: OLYMPICS SPORT SPEED SKATING TPX IMAGES OF THE DAY)

Sven Kramer (R) of the Netherlands leads his compatriots Irene Wust (C) and Mark Tuitert during speedskating practice at the Adler Arena ahead of the 2014 Winter Olympics, February 6, 2014. REUTERS/Phil Noble (RUSSIA - Tags: OLYMPICS SPORT SPEED SKATING)

Mark Tuitert of the Netherlands skates during a men's speed skating 500 meters training competition at the Adler Arena ahead of the 2014 Sochi Winter Olympics, February 5, 2014. REUTERS/Marko Djurica (RUSSIA - Tags: OLYMPICS SPORT SPEED SKATING)

Mark Tuitert of the Netherlands skates during a men's speed skating 500 meters training competition at the Adler Arena ahead of the 2014 Sochi Winter Olympics, February 5, 2014. REUTERS/Marko Djurica (RUSSIA - Tags: OLYMPICS SPORT SPEED SKATING)

Mark Tuitert of the Netherlands (L) crashes as he races with Christoffer Fagerli Rokke of Norway in the men's 500m event during the ISU Long Track World Sprint speed skating Championships in Salt Lake City, Utah, January 26, 2013. REUTERS/Jim Urquhart (UNITED STATES - Tags: SPORT SPEED SKATING) 

Netherlands' Mark Tuitert competes in the men's 1500m division A event at the ISU Speed Skating World Cup in Berlin March 9, 2012. REUTERS/Tobias Schwarz (GERMANY - Tags: SPORT SPEED SKATING) 

Canada's Denny Morrison (R) skates ahead of Netherlands' Mark Tuitert in the men's 1500 metres at the Essent ISU speed skating World Cup in Astana, November 25, 2011. REUTERS/Shamil Zhumatov (KAZAKHSTAN - Tags: SPORT SPEED SKATING)

Mark Tuitert of the Netherlands skates during the men's 1500m at the Essent ISU Speed Skating World Cup in Chelyabinsk November 18, 2011. REUTERS/Grigory Dukor (RUSSIA - Tags: SPORT SPEED SKATING) 

Third place finisher Mark Tuitert of the Netherlands skates during the ISU Men's 1500 Meter World Cup in Salt Lake City, Utah, February 18, 2011. REUTERS/Jim Urquhart (UNITED STATES - Tags: SPORT SPEED SKATING) 

Third place finisher Mark Tuitert of the Netherlands skates during the ISU Men's 1500 Meter World Cup in Salt Lake City, Utah, February 18, 2011. REUTERS/Jim Urquhart (UNITED STATES - Tags: SPORT SPEED SKATING) 

Finishers from left, second place finisher Shani Davis of the U.S., first place winner Trevor Marsicano of the U.S. and third place finisher Mark Tuitert of the Netherlands celebrate after the ISU Men's 1500 Meter World Cup in Salt Lake City, Utah, February 18, 2011. REUTERS/Jim Urquhart (UNITED STATES - Tags: SPORT SPEED SKATING) 

Third place finisher Mark Tuitert of the Netherlands celebrates after the ISU Men's 1500 Meter World Cup in Salt Lake City, Utah, February 18, 2011. REUTERS/Jim Urquhart (UNITED STATES - Tags: SPORT SPEED SKATING) 

Netherlands' Mark Tuitert (R) is on his way to taking second place in the overall competition of the men's 1000 meters ISU World Cup Speed Skating finals against Shani Davis from the U.S. who took the first place at the Thialf Stadium in Heerenveen March 14, 2010. REUTERS/Jerry Lampen (NETHERLANDS - Tags: SPORT SPEED SKATING) 

Netherlands' Mark Tuitert is on his way to taking second place in the overall competition of the men's 1000 meters ISU World Cup Speed Skating finals at the Thialf Stadium in Heerenveen March 14, 2010. REUTERS/Jerry Lampen (NETHERLANDS - Tags: SPORT SPEED SKATING) 

Netherlands' Mark Tuitert on his way to taking second place in the overall competition of the men's 1000 meters ISU World Cup Speed Skating finals at the Thialf Stadium in Heerenveen March 14, 2010. REUTERS/Jerry Lampen (NETHERLANDS - Tags: SPORT SPEED SKATING) 

Netherlands' Mark Tuitert celebrates after taking the second place in the overall competition of the men's 1000 meters ISU World Cup Speed Skating finals at the Thialf Stadium in Heerenveen March 14, 2010. REUTERS/Jerry Lampen (NETHERLANDS - Tags: SPORT SPEED SKATING) 

Shani Davis from the U.S. holding the trophy after winning the overall competition of the men's 1000 meters ISU World Cup Speed Skating finals is flanked by Netherlands' Mark Tuitert (L) and Stefan Groothuis at the Thialf Stadium in Heerenveen March 14, 2010. REUTERS/Jerry Lampen (NETHERLANDS - Tags: SPORT SPEED SKATING) 

Netherlands' Mark Tuitert reacts at the start of the men's 1500 metres ISU World Cup Speed Skating finals at the Thialf Stadium in Heerenveen March 12, 2010. REUTERS/Jerry Lampen (NETHERLANDS - Tags: SPORT SPEED SKATING) 

Netherlands' Mark Tuitert competes in the men's 1500 metres ISU World Cup Speed Skating finals at the Thialf Stadium in Heerenveen March 12, 2010. REUTERS/Jerry Lampen (NETHERLANDS - Tags: SPORT SPEED SKATING) 

Shani Davis of the U.S. skates to win in the men's 1,000 metres race at the Speed Skating World Cup in Erfurt, March 7, 2010. Netherlands' Stefan Groothuis placed second and his countryfellow Mark Tuitert placed third. REUTERS/Tobias Schwarz (GERMANY - Tags: SPORT SPEED SKATING) 

Finland's Mika Poutala reacts after the men's 1,000 metres race at the Speed Skating World Cup in Erfurt, March 7, 2010. Shani Davis of the U.S. won the race, Netherlands' Stefan Groothuis placed second and his country fellow Mark Tuitert placed third. REUTERS/Tobias Schwarz (GERMANY - Tags: SPORT SPEED SKATING) 

Netherlands' Mark Tuitert skates in the men's 1,000 metres race at the Speed Skating World Cup in Erfurt, March 7, 2010. Shani Davis of the U.S., Netherlands' Stefan Groothuis placed second and Tuitert placed third. REUTERS/Tobias Schwarz (GERMANY - Tags: SPORT SPEED SKATING) 

Netherlands' Stefan Groothuis skates in the men's 1,000 metres race at the Speed Skating World Cup in Erfurt, March 7, 2010. Shani Davis of the U.S. won the race, Groothuis placed second and his countryfellow Mark Tuitert placed third. REUTERS/Tobias Schwarz (GERMANY - Tags: SPORT SPEED SKATING) 

Shani Davis of the U.S. reacts after winning in the men's 1,000 metres race at the Speed Skating World Cup in Erfurt, March 7, 2010. Netherlands' Stefan Groothuis placed second and his countryfellow Mark Tuitert placed third. REUTERS/Tobias Schwarz (GERMANY - Tags: SPORT SPEED SKATING) 

Netherland's Mark Tuitert skates in the men's 1,000 metres race at the Speed Skating World Cup in Erfurt, March 6, 2010. Shani Davis of the U.S. won the race, Tuitert placed second and his compatriot Stefan Groothuis placed third. REUTERS/Tobias Schwarz (GERMANY - Tags: SPORT SPEED SKATING) 

Shani Davis of the U.S. reacts after winning in the men's 1,000 metres race at the Speed Skating World Cup in Erfurt, March 6, 2010. Netherland's Mark Tuitert placed second and his countryfellow Stefan Groothuis placed third . REUTERS/Tobias Schwarz (SPORT SPEED SKATING) 

Shani Davis of the U.S. skates to win in the men's 1,000 metres race at the Speed Skating World Cup in Erfurt, March 6, 2010. Netherland's Mark Tuitert placed second and his compatriot Stefan Groothuis placed third. REUTERS/Tobias Schwarz (SPORT SPEED SKATING) 

Shani Davis of the U.S. skates to win in the men's 1,000 metres race at the Speed Skating World Cup in Erfurt, March 6, 2010. Netherland's Mark Tuitert placed second and his compatriot Stefan Groothuis placed third. REUTERS/Tobias Schwarz (SPORT SPEED SKATING) 

Canada's Mathieu Giroux, Lucas Makowsky and Denny Morrison (2nd L-2nd R) pose on the podium between silver medallist Brian Hansen (R) of the U.S. and bronze medallist Mark Tuitert (L) of the Netherlands during the medals ceremony for the men's team pursuit speed skating event in the Vancouver 2010 Winter Olympics at the Richmond Olympic Oval February 27, 2010. REUTERS/Todd Korol (CANADA) 

Bronze medallists Jan Blokhuijsen, Sven Kramer, Simon Kuipers and Mark Tuitert (L-R) of the Netherlands wave from the podium during the flower ceremony for the men's team pursuit speed skating event during the Vancouver 2010 Winter Olympics at the Richmond Olympic Oval February 27, 2010. REUTERS/Todd Korol (CANADA) 

Coach Wopke de Vegt (L) cheers on Sven Kramer, Jan Blokhuijsen and Mark Tuitert (front-back) of the Netherlands as they compete in the men's team pursuit speed skating finals during the Vancouver 2010 Winter Olympics at the Richmond Olympic Oval February 27, 2010. REUTERS/Todd Korol (CANADA) 

Sven Kramer, Jan Blokhuijsen and Mark Tuitert (front-back) of the Netherlands compete in the men's team pursuit speed skating finals during the Vancouver 2010 Winter Olympics February 27, 2010. REUTERS/Todd Korol (CANADA) 

Mark Tuitert (L) of the Netherlands leads his teammates during the semi-finals of the men's team pursuit speed skating race at the Richmond Olympic Oval during the Vancouver 2010 Winter Olympics, February 26, 2010. REUTERS/Jerry Lampen (CANADA) 

Sven Kramer, Jan Blokhuijsen and Mark Tuitert (L-R) of the Netherlands compete during the men's team pursuit speed skating semi-finals at the Richmond Olympic Oval during the Vancouver Olympics February 26, 2010. REUTERS/David Gray (CANADA) 

Sven Kramer (L) and Mark Tuitert (2nd R) of the Netherlands skate alongside their coaches Gerard Kemkers and Wopke de Vegt after competing in the men's team pursuit speed skating semi-finals at the Richmond Olympic Oval during the Vancouver Olympics February 26, 2010. REUTERS/David Gray (CANADA) 

Mark Tuitert, Jan Blokhuijsen and Sven Kramer (L-R) of the Netherlands compete during the men's team pursuit speed skating semi-finals at the Richmond Olympic Oval during the Vancouver Olympics February 26, 2010. REUTERS/David Gray (CANADA) 

Coach Gerard Kemkers shouts to Sven Kramer, Jan Blokhuijsen and Mark Tuitert (L-R) of the Netherlands during the men's team pursuit speed skating semi-finals at the Richmond Olympic Oval during the Vancouver Olympics February 26, 2010. REUTERS/Dylan Martinez (CANADA) 

Coach Gerard Kemkers (back L) and another Dutch coach cheer on Sven Kramer, Jan Blokhuijsen and Mark Tuitert (front-back) of the Netherlands in the men's team pursuit speed skating semi-finals at the Richmond Olympic Oval during the Vancouver Olympics February 26, 2010. REUTERS/Dylan Martinez (CANADA) 

Sven Kramer, Jan Blokhuijsen and Mark Tuitert (front-back) of the Netherlands compete during the men's team pursuit speed skating semi-finals at the Richmond Olympic Oval during the Vancouver Olympics February 26, 2010. REUTERS/Dylan Martinez (CANADA) 

Coach Gerard Kemkers shouts to Sven Kramer, Jan Blokhuijsen and Mark Tuitert (L-R) of the Netherlands during the men's team pursuit speed skating semi-finals at the Richmond Olympic Oval during the Vancouver Olympics February 26, 2010. REUTERS/Dylan Martinez (CANADA) 

Gold medallist Mark Tuitert of the Netherlands poses with his medal during the award ceremony for the men's 1500m speed skating at the Vancouver 2010 Winter Olympics, February 21, 2010. REUTERS/Chris Helgren (CANADA) 

Gold medallist Mark Tuitert of the Netherlands (C), silver medallist Shani Davis of the U.S. (L) and bronze medallist Havard Bokko of Norway celebrate on the podium during the award ceremony for the men's 1500m speed skating at the Vancouver 2010 Winter Olympics, February 21, 2010. REUTERS/Mark Blinch (CANADA) 

Gold medallist Mark Tuitert (C) of the Netherlands smiles with silver medallist Shani Davis (L) of the U.S. and bronze medallist Havard Bokko of Norway during the medal ceremony for the men's 1500 metres speed skating race at the Vancouver 2010 Winter Olympics, February 21, 2010. REUTERS/Chris Helgren (CANADA) 

Gold medallist Mark Tuitert of the Netherlands celebrates during the medal ceremony for the men's 1500 metres speed skating race at the Vancouver 2010 Winter Olympics, February 21, 2010. REUTERS/Chris Helgren (CANADA) 

Gold medallist Mark Tuitert of the Netherlands celebrates during the medal ceremony for the men's 1500 metres speed skating race at the Vancouver 2010 Winter Olympics, February 21, 2010. REUTERS/Mark Blinch (CANADA) 

Mark Tuitert of the Netherlands celebrates winning the men's 1500 metres speed skating race at the Richmond Olympic Oval during the Vancouver 2010 Winter Olympics, February 20, 2010. Unheralded Tuitert sprung a huge surprise with victory over world champion Shani Davis of the U.S. in the race on Saturday. REUTERS/Todd Korol (CANADA) 

Gold medallist Mark Tuitert (L) of the Netherlands smiles as silver medallist Shani Davis of the U.S. looks on during the flower ceremony for the men's 1500 metres speed skating race at the Richmond Olympic Oval during the Vancouver 2010 Winter Olympics, February 20, 2010. Unheralded Tuitert sprung a huge surprise with victory over world champion Davis in the race on Saturday. REUTERS/Jerry Lampen (CANADA) 

Mark Tuitert (front) of the Netherlands and Havard Bokko of Norway compete in the men's 1500 metres speed skating race at the Richmond Olympic Oval during the Vancouver 2010 Winter Olympics, February 20, 2010. REUTERS/Todd Korol (CANADA) 

Gold medallist Mark Tuitert of the Netherlands hugs his coach Jac Orie after winning the men's 1500 meters speed skating race at the Richmond Olympic Oval during the Vancouver 2010 Winter Olympics February 20, 2010. REUTERS/Todd Korol (CANADA)