Charles Leclerc topped Friday practice running at Sepang and set the early pace for the Bahrain Grand Prix picture, with Ferrari's day highlighted by a three-tenths margin in qualifying simulations.
That mattered because the first day back at the circuit suggested the strongest Friday headline was not just who went quickest, but who looked comfortable over a range of runs. In a weekend where race pace and tyre degradation could matter more than outright one-lap speed, that is a meaningful starting point.
Mercedes also left Friday encouraged by its substantial upgrade package, which had been reckoned to be worth at least 0.3 seconds per lap. Bradley Lord said it all seemed to be working as expected, while adding that the team still had some fine tuning to do, particularly on the single lap.
Mercedes get the response they wanted
For Mercedes, the most important part of Friday was not a headline lap time but the reaction to the upgrade. Lord's message was clear enough: the package appears to have delivered what the team hoped for, even if the car still needs polishing before qualifying pace is fully unlocked.
George Russell gave a broader picture of the competitive order, saying that at the moment Verstappen looked quickest in single-lap terms while McLaren appeared strongest in the long runs. He also pointed to setup balance and tyre degradation as the key areas still holding Mercedes back, saying the car was not yet in the right window and that the team needed to improve degradation overnight.
That is a familiar Friday theme in modern Formula 1: the upgrade can work, but the lap time only fully arrives once the car and tyres are in the correct operating range. Mercedes seem to have the first part in place. The second part is still to come.
Leclerc makes an immediate impression
Leclerc's Friday carried a different kind of value. He had to relearn the track all over again, yet still ended the day on top and with a clear edge over his team-mate in the qualifying sims. For Ferrari, that is the sort of opening day that encourages belief without making any grand claims too early.
Fred Vasseur kept the tone measured, describing it as a challenge for Ferrari but one that applies to everyone. That is the right framing. A strong Friday does not win the Bahrain Grand Prix, but it does set the base for the rest of the weekend.
The circuit itself also matters. Sepang has much more medium- and high-speed content than Baku, which makes Friday pace more informative for teams trying to judge balance and degradation across a lap. That is why Leclerc's three-tenths advantage in qualifying conditions felt significant, even before the real pressure of the weekend builds.
Aston Martin's best Friday so far
There was also a more encouraging note for Aston Martin, with Fernando Alonso finishing 15th in FP2 as the team recorded what was described as its best Friday of the season so far. Pedro de la Rosa called it a pretty decent day, and that alone is enough to suggest a more positive mood than Aston Martin have enjoyed on other Fridays.
The result does not rewrite the pecking order, but it does matter in a season where every sign of progress is closely watched. If the team can turn a decent Friday into a more competitive Saturday, that would be a useful step.
For now, though, the clearest story belongs to Leclerc and Mercedes. Ferrari have the early pace marker, Mercedes have a package that appears to be behaving as intended, and the next session will show which of those gains holds up when the track and conditions demand more. For more on the wider calendar return, see the latest Malaysia to host Bahrain Grand Prix on October 2-4, 2026 — Formula 1 Standings get a full calendar boost, the F1 Calendar 2026 gains a Sepang return, and Malaysia to host Bahrain Grand Prix at Sepang Circuit from October 2-4, 2026.
