McLaren's Miami front wing: the upgrade that changed everything
McLaren's decision to centre their entire Miami upgrade programme around a redesigned front wing has yielded dividends that extend well beyond Florida. What initially appeared to be a focused aerodynamic improvement has proven to be a transformative step for the MCL40 — and Woking is not done yet.
A Front Wing That Changed Everything
Miami saw the arrival of a sweeping wave of upgrades throughout the paddock, with 10 of the 11 teams presenting new developments following a five-week break in the calendar. McLaren were among the most active, arriving in Florida with seven updates in total.
At the heart of their efforts was what has since been described as a 'technical masterpiece' — a redesigned front wing around which, according to RacingNews365, McLaren based the 'entire evolution' of the MCL40 in Miami. The Woking squad modified the flap profiles to enhance curvature towards the sidewalls, specifically targeting an increase in the wing's effectiveness when Norris and Piastri are running in straight mode and maximising performance when the wing drops.
The pay-off went further than many anticipated. The upgraded front wing generated more downforce from the floor, while the increased outwash effect directed airflow more efficiently along the sidepods — delivering a 'substantial' improvement to the MCL40's overall aerodynamic balance.
The results on track were impossible to ignore. Lando Norris won the Miami Sprint from pole position in a papaya one-two ahead of Oscar Piastri. In the Grand Prix, while Andrea Kimi Antonelli took victory for Mercedes, Norris ran closely enough that a single additional lap of timing on his pit stop might have altered the outcome. It was, by any measure, McLaren's best weekend of the 2026 season so far.
As our team-by-team Miami upgrade review detailed, the pecking order in Florida shifted considerably — and McLaren's front wing was central to that shift. Mercedes, by contrast, ran just two updates across the weekend.
Canada Already in McLaren's Sights
Despite the performance leap, McLaren have made clear that the MCL40 is not yet a finished article. The team confirmed that only a portion of their full development package was deployed in Miami — understood to be around 60% of their planned upgrade programme — with the remainder earmarked for the Canadian Grand Prix on May 22-24.
According to SoyMotor, the forthcoming Montreal updates will again focus on the front wing and nose, with McLaren seeking to refine how the airflow interacts with their front suspension. The ambition is clear: to extract the next layer of performance from a concept that has already proven its worth in Florida.
What that final 40% looks like in detail remains to be seen, but given the impact of what McLaren unveiled in Miami, Andrea Stella's confidence that the team can mount a genuine championship defence suddenly carries considerably more weight. If the Canadian package delivers anything close to the gains registered at the Miami GP, McLaren will arrive in Montreal as a formidable force.
Simone Scanu
He’s a software engineer with a deep passion for Formula 1 and motorsport. He co-founded Formula Live Pulse to make live telemetry and race insights accessible, visual, and easy to follow.