Chad Guy Bertrand le Clos (born 12 April 1992) is a South African swimmer who is an Olympic, World and Commonwealth Games champion as well as the Commonwealth record holder in the 50 and 100 meter butterfly. He won gold in the 200 meter butterfly and silver in the 100 meter butterfly in the 2012 Olympics in London. He also won five medals at the 2010 Summer Youth Olympics in Singapore. Le Clos has twice won the Overall Swimming World Cup: 2011 and 2013. In the following video Chad Le Clos give us some tips on how to swim different styles. Watch and practice!
And if you want to see Chad in action, here the video of his 200m short course butterfly world record in Singapore (5th of November 2013)