( CNN ) Reigning Formula One world champion Lewis Hamilton was the fastest man on the tracks during the second last day of pre-season testing at the Circuit de Catalunya near Barcelona Saturday . The Mercedes driver notched up the best lap of the day after changing from the slower medium compound to soft tires . Yet his time of one minute , 23.022 seconds was still marginally slower than that achieved by team-mate and 2014 driver 's championship rival , Nico Rosberg on the soft tires on Friday . The Englishman later told reporters he would have liked more laps having missed last week 's practice session due to illness but was content with how the car was performing . `` It 's been generally good , '' Hamilton said in quotes carried by the AFP news agency . `` The team has done a great job to get all the components here and reliability has been strong . We are in as good a shape as we can be . '' Mercedes were by far and away the dominant force in F1 last year and there was little indication Saturday that this will not be the case in 2015 . Williams were the closest challengers , as they had been on Friday , with Felipe Massa finding his best time of the testing season . But this was still fully two tenths of a second down on Hamilton despite Massa being on the faster super-soft tires at the time . Ferrari 's Kimi Raikkonen clocked third fastest time of the day , marginally over one hundredth of a second behind Massa . Saturday proved yet another unhappy day for the CNN sponsored McLaren-Honda team as reserve driver Kevin Magnussen 's participation was cut short after his car suffered an oil leak . Magnussen was standing in for Fernando Alonso who suffered concussion after crashing last Sunday . `` The day stopped a little too early for us , '' said McLaren racing director Eric Boullier . `` We did n't do as many laps as we wanted . It is true it is going to hurt the development of the car on the performance side , but we will recover . '' The F1 season gets underway in Melbourne on March 15 .
Formula One fastest on third last day of two tenths testing at the Circuit de Catalunya . Ferrari look to have the edge on other constructors .