The penultimate F1 shakedown event takes place today at the Circuit de Barcelona-Catalunya.
Mercedes enjoyed another strong day on Wednesday as the Brackley-based squad clocked almost 200 laps between both of its drivers.
Not only did it boast the most mileage, Kimi Antonelli and George Russell ended the day in first and second place, respectively.
Just two more days remain for the teams to collect data ahead of the next pre-season test in Bahrain.
For some squads, today could mark the final day of on-track action if they opt to run.
We will provide you with all of the happenings we can during the day of running, which you can follow in the live updates below!
LIVE: 2026 F1 Barcelona Pre-Season Test - Day 4
Also interesting:
Join RacingNews365's Ian Parkes and Nick Golding for the first podcast of 2026! The duo look at some of the biggest topics ahead of the new season, including Max Verstappen remaining with Red Bull and the pressure which awaits Lewis Hamilton and Ferrari.
Rather watch the podcast? Then click here!
Don't miss out on any of the Formula 1 action thanks to this handy 2026 F1 calendar that can be easily loaded into your smartphone or PC.
Download the calenderMost read
In this article
Join the conversation!