McLaren driver Lando Norris topped the timesheets on the opening day of Formula 1 testing action at the Circuit de Barcelona-Catalunya.
Ferrari had set the pace for the majority of the day, with Charles Leclerc and Carlos Sainz forming a 1-2, only for Norris to usurp the pair late on. Mercedes teammates George Russell and Lewis Hamilton rounded out the top five positions.
The full times and tyre compounds are listed below.
With F1 pre-season testing getting underway in Barcelona this week, our journalists Dieter Rencken, Mike Seymour and Thomas Maher look ahead to what to expect.