Barcelona Shakedown Day 3: When The Safety Net Came Away

Barcelona Shakedown Day 3 was the first day this week where the 2026 Formula 1 cars started to spring into life. After a quiet, wet Tuesday in which only Red Bull and Ferrari ran in compromised conditions, Wednesday brought dry weather, full programmes, and teams looking to build on their Day 1 data. Five teams hit the track and used a second day of their three-day allocation, while Constructors’ Champions McLaren finally brought the stealth-liveried MCL40 to the circuit. What followed was a solid day of running for the teams involved as they started to get to grips with the new cars.

Key Points – Barcelona Shakedown Day 3

• Mercedes, Haas, Audi, Racing Bulls, and Alpine all used a second day of running
• McLaren made its first on-track appearance with the MCL40
• Short red flag stoppages were caused by technical issues for Audi and Haas
• Mercedes logged the highest mileage of the day and topped the unofficial timing screens
• Haas and Audi both lost valuable track time to reliability interruptions
• Racing Bulls completed the highest individual lap count
• Aston Martin remains the only team yet to run. Williams are missing, as we know

A Busier Day By Design

Wednesday was always expected to look different. With the shakedown past its midway point and the weather finally stable, teams had to make the most of the blue Barcelona skies. Mercedes, Haas, Audi, Racing Bulls, and Alpine all returned to the track for a second day of their permitted running, looking to put their Day 1 learnings into action after a Tuesday of data-crunching back at the factories. McLaren, meanwhile, finally rolled the MCL40 out of the garage for its first public laps of the 2026 era.

This was the moment the test moved from trepidation to anticipation as we started to see teams get to grips with the cars.

Mercedes Remove Doubt Through Volume

Mercedes approached Day 3 with a plan and a purpose. The driver pairing swapped from Monday, with George Russell running in the morning before Andrea Kimi Antonelli took over in the afternoon. The pair clocked 183 laps and just over 850 kilometres in a single day. That brought the Brackley team to 334 laps for the week, the highest total in the field and a reflection of how robust the Mercedes power unit has been so far.

Antonelli finished the day fastest on the unofficial timing screens, just ahead of Russell. Nothing meaningful can be read into it given track temperature, programme variation, and the nature of a shakedown. There are too many variables to know if this is true pace or not. What does matter is that Mercedes were able to repeat long sequences, complete race-distance work, and stress systems without interruption. That reliability matters more than fastest laps.

McLaren Finally Enter The Test

McLaren’s absence across the first two days heightened the attention on their Day 3 debut. Lando Norris took the MCL40 on track mid-morning, running a camo test livery with the number one for the first time as reigning world champion. A surreal moment in the shakedown. New car, new era, and a new number one.

Norris completed a little over a race distance as McLaren worked through baseline procedures, power unit modes, and system correlation. The programme was conservative but deliberate. McLaren’s day was about learning.

This was the first step of their shakedown, not the culmination of it, but the decision to wait now compresses the margin. Every remaining day has to count, and Thursday will see Oscar Piastri take the wheel of the back-to-back Constructors’ Champions.

Alpine Do The Job Quietly

Franco Colapinto ran in the morning session before Pierre Gasly took over in the afternoon, the pair completing 125 laps between them.

Gasly’s running marked his first extended dry-weather experience of the new Mercedes-powered A526. His feedback reflected the scale of the reset facing drivers in 2026. Alpine will be happy to get that day in the bag. Plenty of running, and more importantly, plenty learned from the new Mercedes power unit.

Haas And Audi Lose Time When It Matters

After a solid Day 1 on Monday, where Esteban Ocon racked up the most laps of any driver, Ollie Bearman’s running did not fare as well.

Haas endured a difficult day. Bearman managed just 42 laps before two separate technical issues brought out red flags and ended the team’s running early. The first issue was minor. The second was more serious and terminated the session entirely, a worrying sign for supplier Ferrari. Haas completed the fewest laps of the day and lost a critical opportunity to build mileage.

Audi also suffered disruption. Nico Hülkenberg triggered a red flag after a technical issue during the morning session, marking the team’s second stoppage of the Barcelona test. Although he eventually completed 68 laps, the interruption cost Audi valuable time at a point where stability should already be improving. This is now the second day of running for the new works team. With no customer teams to draw data from, they will be hoping for one clean final day.

Racing Bulls Maximise The Opportunity

While others lost ground, Racing Bulls quietly delivered one of the most productive individual performances of the day. Arvid Lindblad completed 120 laps, the highest individual total on Wednesday, as the team prioritised repetition and data collection over visibility. A quiet nod to the Red Bull Powertrains-Ford engine, which is standing up to its early tests here.

The magnitude of this week should not go unnoticed. Here is an energy drinks supplier running its own engine as a works operation in not one, but two cars on the Formula 1 grid, alongside the establishment. You cannot help but feel Dietrich would have been proud to see this moment play out on track.

Coffee Corner Take

Day 3 is the point where the Barcelona shakedown started getting serious.

With dry conditions and full programmes finally in place, this was the opportunity teams wanted. From here on, programmes have ramped up. The shift is from understanding to starting to look at performance. Mercedes ran without disruption. Alpine did exactly what the day asked of it. Racing Bulls maximised the opportunity in front of them.

Mercedes were fastest on the unofficial timing screens. Nothing meaningful can be read into it.

It was a mixed day up and down the pit lane. Mercedes logged mileage cleanly and repeatedly. Haas lost a full day’s value to reliability failures. Audi triggered its second stoppage of the test at a point where stability should already be improving. McLaren finally arrived.

With all eyes on Aston Martin, flights were tracked, DHL lorries loaded, and long after the sun had set beyond the hills came the photo from the Silverstone-based team. The first Adrian Newey Aston Martin has finally arrived in Barcelona. Tomorrow, attention switches to the AMR26 and just what Newey has been hiding inside that factory.