Mercedes Leads as 2026 F1 Pre-Season Testing Enters Final Days in Bahrain

Mercedes emerged as the early benchmark on the second day of the final pre-season test in Bahrain, with George Russell setting the fastest lap of the entire testing period so far. The session saw Max Verstappen return to the cockpit for Red Bull after a troubled first day, while Aston Martin worked to solve reliability issues with its new car ahead of the 2026 season opener.

Why it matters:

These final test days are the last chance for teams to validate their cars under the new 2026 regulations before competitive running begins. Performance and reliability data gathered here directly informs race strategy and final upgrades for the first Grand Prix, making any significant issues or standout pace critical indicators of the early pecking order.

The details:

• Mercedes' Strong Start: George Russell, driving the W17, set the quickest lap time across the four days of testing conducted in Sakhir, carrying that momentum into Thursday's running. His pace immediately establishes Mercedes as a team to watch.
• Red Bull's Recovery Mission: Max Verstappen took over driving duties from rookie Isack Hadjar, who managed only 66 laps on Day 1 due to a water system leak on the RB22. The team's limited mileage puts pressure on Verstappen to complete a crucial reliability and performance program.
• Aston Martin's Troubles: Fernando Alonso was scheduled for a full day in the AMR26, the team's first car designed in collaboration with Honda and Adrian Newey. The Silverstone squad is focused on solving early technical problems to recover valuable lost track time.
• The 2026 Context: This test is the second and final official session before the season starts, following an initial test last week. Teams are fine-tuning their interpretations of the major new aerodynamic and power unit regulations introduced for 2026.

What's next:

With only a few days of testing remaining, the focus will sharply turn from experimentation to race simulation and final setup. Teams facing reliability woes, like Red Bull and Aston Martin, have a narrow window to identify and fix problems. The lap times, while not always representative of true race pace, will begin to solidify initial expectations for the competitive hierarchy when the lights go out in Bahrain for the first race.