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Sir David
Brailsford’s tips on  
Marginal Gains | 
(http://www.youtube.com/watch?v=14bNOBeBcoQ)
Sir David speaks to BBC radio 5 live Drive Time About His now famous motivational skills. His
philosophy of 'marginal gains' and how it can be applied to everyday
life. 
we think this can work especially well  with   open water swimming..! where any  marginal gains no matter how little could go a
long way to achieving your goals...have a listen to Sir
David ... (This clip is from BBC Drive on 11 April 2014.)
 
