Twelve races remain and 546 points are still on the table, but the gap McLaren has to close is the awkward part: 159 points to Mercedes in the constructors' championship, and Lando Norris 91 adrift of Kimi Antonelli after finally breaking his 2026 duck in Hungary. Teams in that spot usually cut their losses and pour everything into next season. McLaren has decided against it.
Neil Houldey, the team's technical director for engineering, confirmed to Motorsport.com that upgrades will keep arriving well into the back half of the year — even though the 2027 car is already being drawn around a longer wheelbase and a different suspension layout.
"We expect the next few races to be bringing some major parts, and we expect to do that quite late on into the season as well," Houldey said. "We're certainly not stopping development on '26 because we know that whatever we take from 2026 into 2027, that learning will carry over."
The argument is about verification. Anything McLaren develops purely in simulation is unproven until it runs.
"The best way to understand the performance you're generating is by putting it on the track and actually properly testing it and making sure it does what you expect it to do," Houldey said. "If you stop 2026 now, it certainly puts you more into that theoretical world, and it doesn't necessarily mean that you'll generate lots and lots of 2027 performance."
Among the parts still in the pipeline is McLaren's take on the rotating rear wing, a concept Ferrari showed in Bahrain testing and Red Bull adopted next. McLaren ran its own version in Hungary as a test item after scrapping a planned Austrian practice run, and Houldey was blunt about being third to the idea.
"We were disappointed not to pick that up as quickly as Ferrari did and then Red Bull," he said. "As soon as we saw it, we realised there was an opportunity there and we looked into it for a while. But there are all these big performance upgrades on offer for the wing, so it wasn't our prime project, and we were working on it in the background."
Andrea Stella traces the whole shaky start back to last season's title fight with Max Verstappen, which kept McLaren developing a dying car while rivals switched to the new rules.
"We realised just how heavy a price we had paid for the effort we put in during 2025 to secure the world double," the team principal said in a team interview carried by Sky Sports and SPEEDWEEK.com. "We could have fallen apart; we could have found excuses for not being able to start the championship as we'd finished the previous one, but that wasn't the case."
The April gap in the calendar, forced by the cancelled Bahrain and Saudi Arabian rounds, gave McLaren the room to redirect development — work that surfaced as the Hungary aero package. Stella will not extrapolate from one weekend.
"If we can continue the season as we did in Budapest, we can still achieve a great deal," he said. "The result will depend on how effective the solutions we bring to the track prove to be."
Toto Wolff, whose Mercedes lost pole for the first time this season at the Hungaroring, made the same point from the other direction — with a reminder that the venue has long suited McLaren and that Mercedes had gone a while without new parts.
"So, we need to be careful not to swing from everyone is suddenly competitive to a team is suddenly not competitive," Wolff said. "So, I think they've definitely done a step. They're in the fight. We haven't brought an upgrade for some time, and you can see that this is going to be a development fight also going forward."
Simone Resta, Mercedes' deputy technical director, shifted the emphasis to what the break does to teams rather than to cars.
"History tells us that the championship always changes after the summer shutdown," Resta said on the team's Nu Silver Arrows Radio Show. "The pressure increases on the teams that are leading, but equally it increases on the teams trying to catch up. The environment becomes more intense, and every result carries more weight."
Resta put reliability — the thing that has repeatedly clipped Mercedes' advantage — ahead of chasing outright pace. Mercedes has separately trailed a sizeable upgrade for the restart.
McLaren's own caveat is its engine. Stella expects the Mercedes HPP unit to stay a work in progress: "I expect that optimising the power unit will remain a complex issue throughout the 2026 season."
The championship resumes with a sprint weekend at Zandvoort on 21-23 August.