Teams entered their fourth and last day of Week 1 of pre-season testing at the Circuit de Catalunya on Friday.
As everyone gets a grip on development, the pace and performance is ramping up, as the time-sheets attest.
Here's a recap in pictures of the day's action in Barcelona.
Lando Norris had more than a third victory of the season to celebrate in Sao…
Mercedes has reclaimed the Formula 1 Constructors' Championship, ending a four-year wait to return to…
Lando Norris kept his nerve through a treacherous, rain-hit Sao Paulo Grand Prix to claim…
Full race results from the São Paulo Grand Prix in Brazil, round 20 of the…
A chaotic, marathon qualifying session stretching over two and a half hours under relentless rain…
Lewis Hamilton will celebrate a remarkable Formula 1 milestone at Interlagos on Sunday, but the…