Formula 1's five-day private test at Barcelona is a very particular scenario in many ways - including in how teams are going about their mileage.
With each team allowed a maximum of three days of running across the Monday-to-Friday event, there's naturally a mix of strategies in play - informed by car build logistics, weather and other considerations.
Here's your guide to who's running when.
Day-by-day breakdown
Monday
Mercedes (151 laps)
Red Bull (107 laps)
Racing Bulls (88 laps)
Haas (154 laps)
Audi (27 laps)
Alpine (60 laps)
Cadillac (44 laps)
Tuesday
Red Bull
Ferrari
Team-by-team breakdown
McLaren
Monday - no
Tuesday - TBC
Wednesday - TBC
Thursday - TBC
Friday - TBC
Mercedes
Monday - 151 laps (Antonelli 56, Russell 95)
Tuesday - no
Wednesday - TBC
Thursday - TBC
Friday - TBC
Red Bull
Monday - 107 laps (Hadjar 107)
Tuesday - ongoing
Wednesday - TBC
Thursday - TBC
Friday - TBC
Ferrari
Monday - no
Tuesday - ongoing
Wednesday - TBC
Thursday - TBC
Friday - TBC
Williams
Williams is not attending the test.
Racing Bulls
Monday - 88 laps (Lawson 88)
Tuesday - TBC
Wednesday - TBC
Thursday - TBC
Friday - TBC
Aston Martin
Monday - no
Tuesday - no
Wednesday - no
Thursday - TBC
Friday - TBC
Haas
Monday - 154 laps (Ocon 154)
Tuesday - no
Wednesday - TBC
Thursday - TBC
Friday - TBC
Audi
Monday - 27 laps (Bortoleto 27)
Tuesday - no
Wednesday - TBC
Thursday - TBC
Friday - TBC
Alpine
Monday - 60 laps (Colapinto 60)
Tuesday - no
Wednesday - TBC
Thursday - TBC
Friday - TBC
Cadillac
Monday - 44 laps (Bottas 33, Perez 11)
Tuesday - no
Wednesday - TBC
Thursday - TBC
Friday - TBC
