Formula 1 2026 is underway -- under a cloud of secrecy with the initial preseason test in Barcelona taking place behind closed doors. Here are the fastest laps so far.

Oliver Bearman had his running cut short on Wednesday as Haas' Formula 1 test outing

The American team ran on Wednesday at the closed-door shakedown, but its running was limited due to two issues

Ferrari drivers Lewis Hamilton and Charles Leclerc joined four-time world champion Max Verstappen in making their 2026 preseason debuts in a quieter second day of testing.

Ten new cars, five days, no fans. And plenty of security. Formula 1 started a new era with the public and the media excluded from the teams' reliability-focused private testing session in Spain on Monday.

BBC F1 correspondent Andrew Benson looks ahead to the first F1 test of 2026, which is happening in private in Barcelona.

The 2026 F1 preseason kicked off with a private test for teams in Barcelona this week. Was the secrecy necessary?

Ferrari made a strong start to its Formula 1 testing schedule on Tuesday.

Team principal James Vowles has labelled Williams sitting out the Barcelona Formula 1 shakedown "incredible painful" as the squad pushed beyond the limit

The F1 teams are testing their 2026 cars at the Barcelona track this week. But why is the action not open to the public?