Ferrari’s strategy simulations failed to anticipate the performance Kimi Antonelli delivered at the 2026 United States Grand Prix, where the Mercedes driver secured a dominant victory using a one-stop strategy that Charles Leclerc admitted his team had never seriously considered. While Ferrari expected Antonelli to struggle with tyre degradation towards the end of the race, the Italian maintained his pace and crossed the finish line 13 seconds ahead of Leclerc.
The result revealed a significant difference between how Mercedes and Ferrari had approached the race at the Circuit of the Americas. While the Scuderia considered a two-stop strategy the most effective option, Mercedes calculated that completing the Grand Prix with just one tyre change could offer an advantage of approximately eight seconds. Antonelli ultimately delivered an even larger winning margin, leaving Ferrari’s expectations about tyre performance unfulfilled.
Ferrari’s United States GP strategy simulations misjudge Kimi Antonelli
Ferrari had entered the Austin weekend with considerable optimism after Lewis Hamilton and Charles Leclerc combined to top all three practice sessions. The Italian team appeared capable of challenging for victory, particularly after its strong performance during Friday’s FP2 session strengthened expectations around the SF-26.
However, qualifying proved disappointing as both drivers found themselves further down the grid than their practice form had suggested. Although Leclerc and Hamilton quickly recovered to join the fight for podium positions, their hopes of victory were complicated by a significant difference in race strategy.
Mercedes chose to start Antonelli on medium tyres, while Ferrari and Red Bull selected the soft compound. That initial decision established two contrasting approaches, with the Mercedes driver positioned to pursue a longer opening stint.
As Max Verstappen and both Ferrari drivers made their early pit stops, Antonelli remained on track. Mercedes committed to a one-stop strategy, while its rivals followed plans involving two stops. The difference would become decisive as the race progressed.
Ferrari had not expected the Mercedes approach to remain competitive throughout the Grand Prix. Its calculations indicated that Antonelli would begin experiencing greater difficulties with his tyres during the final stages, potentially opening an opportunity for Leclerc to challenge for the lead.
Instead, Antonelli maintained his performance until the finish, demonstrating the tyre management required to make the alternative strategy successful. The contrasting approaches also illustrated the importance of the tyre degradation concerns teams faced heading into the Austin weekend.
Charles Leclerc admits Ferrari never considered a one-stop strategy
Speaking during the post-race press conference, Charles Leclerc acknowledged that Ferrari had not considered completing the United States Grand Prix with a single pit stop. The Monegasque explained that the team’s calculations favoured a two-stop approach, particularly given its expectations about how tyre performance would evolve over the race distance.
Leclerc admitted that he had briefly believed victory might become possible when he realised Kimi Antonelli was attempting to complete the race with only one stop. Ferrari’s projections suggested that the Mercedes driver would encounter increasing tyre difficulties towards the end, potentially allowing the Scuderia to capitalise on its chosen strategy.
However, the anticipated deterioration never materialised. Antonelli continued to manage his tyres effectively, preventing Leclerc from benefiting from the late-race weakness Ferrari had expected.
Despite missing out on victory, the Ferrari driver described the Grand Prix as enjoyable, although he remained disappointed that the team had fallen short of the win.
Leclerc also pointed out that Ferrari had not been alone in its interpretation of the race. He believed Red Bull had approached the strategic decisions in much the same way, with both teams considering two stops the more appropriate solution. Their available tyre allocations also contributed to that assessment.
The contrasting decisions can be examined further through the F1 Tyre & Stint Analysis, which allows comparisons of tyre compounds and stint lengths across the field.
Mercedes calculated an eight-second advantage from Antonelli’s one-stop plan
While Ferrari expected the longer strategy to expose Antonelli to tyre degradation, Mercedes had reached a different conclusion before the race. The team’s calculations suggested that a one-stop strategy would be approximately eight seconds faster than the alternative.
Mercedes deputy team principal Bradley Lord revealed the estimated advantage during an interview with BBC Radio 5 Live. He praised the work of the trackside personnel and strategists at the team’s base, explaining that their simulations had identified the potential benefit of stopping only once.
Lord also highlighted how Antonelli had delivered more than the anticipated strategic advantage. With the Italian eventually finishing 13 seconds ahead of Leclerc, his performance exceeded the margin Mercedes had calculated for the strategy alone.
Those figures offer an interesting perspective on Ferrari’s missed opportunity. If the eight-second estimate accurately reflected the difference between the competing approaches, it suggests Leclerc might have reduced the winning margin to approximately five seconds by following a similarly advantageous strategy.
Nevertheless, that comparison remains hypothetical. Antonelli’s ability to preserve tyre performance across his longer stints was central to the outcome, and the Mercedes driver’s execution deserves recognition alongside the team’s strategic calculations.
Ferrari left with questions after another missed Austin victory
The United States Grand Prix ultimately demonstrated how different interpretations of tyre behaviour can shape the outcome of a Formula 1 race. Ferrari and Red Bull pursued a two-stop approach based on their expectations, while Mercedes identified an opportunity to gain time by remaining on track longer.
For Leclerc, the disappointment was particularly significant because Ferrari had believed the alternative strategy would eventually become vulnerable. Instead of exploiting a late decline in Antonelli’s performance, the Monegasque could only watch the Mercedes driver maintain enough pace to secure a comfortable victory.
Ferrari’s second-place finish nevertheless represented a competitive result after the qualifying difficulties, with Leclerc converting the team’s recovery into another podium. Yet the difference between Ferrari’s simulations and the actual behaviour of Antonelli’s tyres proved decisive in the battle for first place.
Mercedes not only selected the more effective strategy but also had a driver capable of making it work throughout the race. For Ferrari, Austin provided a clear example of how an incorrect expectation about tyre degradation can leave a potential winning opportunity out of reach, even when the car has shown strong performance across the weekend.
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