Lewis Hamilton showed off his grueling fitness regime as he prepares for the opening race of the Formula One season in Australia on March 15 . The British driver will be hoping to defend his World Championship title and win his first race Down Under for the first time since 2008 , with his Mercedes team mate Nico Rosberg taking maximum points last season . Hamilton driver posted a video on his Instagram page with the caption , 'Never give up . # TeamLH # AustralianGP # LetsGo ! ' Lewis Hamilton works out in the gym as he prepares for the opening Formula One race of the campaign . The reigning champion will be looking to win his first race at the Australian Grand Prix since 2008 . With loud music in the background , Hamilton goes on the punching bag to improve his speed and movement . With Sebastian Vettel moving to Ferrari and his team mate Rosberg wanting to exact revenge for pipping him to the title , Hamilton knows he will need to be in top condition if he 's to be top of the Championship come the end of the season . Hamilton also showed he 's not just good behind the wheel by also proving he 's decent shot with a paintball gun - by firing shots at fitness instructors backside . He may be gaining revenge for the training regime he 's been given by Ville Vihola and struck the bare backside of his instructor a number of times . The Mercedes driver exacted some of his own revenge on his fitness instructor by shooting him in the bum . On what looked like a cold day , Hamilton showed no mercy by peppering Ville Vihola with paintballs . Vihola lets a scream in pain as the British driver showed he 's a good shot with the paintball gun .
Lewis Formula posted the video of his fitness regime on Instagram . The Mercedes driver also showed us a video involving a paintball gun . Formula will try to retain his Hamilton One title in Australia on March 15 . Click here for all the latest Hamilton One news .