Ferrari fastest, Mercedes churns out miles in F1 tests

Ferrari finished Formula One preseason testing with the quickest circumstances, while Mercedes ran the most laps over the eight days at the Circuit de Barcelona-Catalunya. 

Kimi Raikkonen's lap of 1 minute, 17.221 seconds on Friday came quite close to the informal reputation set by Ferrari partner Sebastian Vettel the earlier day. 

The two times were determined to the quick "hypersoft" tires presented this season. The track was additionally reemerged in January, upsetting correlations with past circumstances. 

Times set in testing are not viewed as official. 

Raikkonen said preseason was "quite positive" for Ferrari, yet minimized his group's lap times. 

"Clearly the circuit has transformed, we have another surface so it is hard to look at," 

Raikkonen said. "We must be sure with what we have done and after that we will find in half a month where we are beginning off and on the off chance that we have progressed." 

Safeguarding champion Lewis Hamilton and Mercedes colleague Valtteri Bottas concentrated on running race reproductions for a moment straight day on Friday. Mercedes finished preseason testing with a sum of 1037 laps, the greater part of any group. 

Ferrari likewise demonstrated great unwavering quality, running 925 laps altogether. 

Hamilton was close to the base of the time sheets on Friday, only in front of last-put Lance Stroll of Williams. 

Fernando Alonso reeled off late laps to post the third-quickest time of preseason testing, completing 0.563 seconds slower than Raikkonen. 

Alonso's McLaren languished an oil spill over a moment time this week and the group again needed to change its new Renault-made motor. 

Carlos Sainz just ran the last a hour and a half on Friday in view of a flawed gearbox in his Renault, yet the Spaniard completed with the fifth-quickest time in general. 

Red Bull's Daniel Ricciardo utilized a late raced to stamp the fourth-quickest time, in spite of the fact that he was still finished a moment slower than Raikkonen. 

Haas posted another promising outcome for a group that completed eighth in the 10-group standings last season. Romain Grosjean had the fifth-best time a day after colleague Kevin Magnussen was second behind Vettel. Grosjean additionally put in 181 laps, the most for any driver on Friday. 

Charles Leclerc had a slight terrify early when he lost control of his Sauber and finished thumping the defensive obstruction, which should have been patched by the ground group. 

The season begins with the Australian Grand Prix in Melbourne on March 25.