Lewis wrapped up four days of running at Barcelona’s Circuit de Catalunya, spending the day focusing on tyre development over a series of long runs.
Clocking up an impressive 107 laps – MP4-26’s biggest single-day mileage – the team worked through a lengthy tyre development programme, eschewing outright laptimes in order to more fully understand how the Pirellis behave throughout a race stint.
Test team manager Indy Lall said: “It was very encouraging to log over 100 laps with MP4-26 today – an impressive conclusion to our four days in Barcelona. We’re still working through a very lengthy development programme – today wasn’t about pure performance, it was about conducting a disciplined series of long-runs – but it’s been a positive end to our test here.”