Sporting inspiration

So you might already of heard about Sam Priestley, the man who spent pretty much all of 2014 trying go from a novice to master table tennis player by practicing every day. His video of the project already has a million views.

It got me thinking that if he can do this, why can't everyone? What would I master if I could? I think I'd climb Alpe d'Huez every day and see if I could break old Marco's record. 

What would you master?