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.
Sky F1's Martin Brundle suspects George Russell has every reason to look back on Monza…
On this day in 1979, Jody Scheckter delivered the world title to himself and to…
The legend of the Iceman officially enters its next generation. Robin Räikkönen, the 11-year-old karting…
Lewis Hamilton has moved to extinguish any fears that his opening-lap clash with Charles Leclerc…
Mercedes boss Toto Wolff has watched Kimi Antonelli’s rise from promising rookie to Formula 1…
Williams is turning the clock back in Madrid, swapping the familiar modern-day colours of its…