Martina Sablikova
Speed Skater
Long distance speedskater who has won numerous Olympic medals, including two golds in 2010, in the 3000 and 5000 meter races.
She was a three-time Czech youth champion, and set the 3000 meter junior world record in 2005.
She proved her dominance by winning at least one gold medal in every World Championship between 2007 and 2013.
Her brother, Milan Sablik, is also a very successful speedskater, and they have both held world records at the same time.
In 2014 she became just the second woman to win two Olympic gold medals in the 5000 meter event, joining three-time winner Claudia Pechstein.