Formula 1, Sportrik Media - Lewis Hamilton is taking part in a wet-weather tyre test with Ferrari at Fiorano as part of Pirelli’s ongoing development programme for the 2026 Formula 1 season.
The two-day test is being conducted at Ferrari’s private circuit, where track conditions can be artificially wetted to simulate rain scenarios. This controlled environment allows Pirelli to gather detailed data on wet tyre performance across varying grip levels and water conditions.
During the test, neither Ferrari nor Hamilton has knowledge of the tyre compounds in use. Pirelli dictates the entire run plan, including stint structure and tyre allocation, ensuring that the data collected remains unbiased and consistent across all test conditions.

Ferrari is also restricted from conducting any performance-related testing or evaluating new car upgrades. The session is dedicated exclusively to tyre development, meaning the running does not directly contribute to competitive car performance or setup optimisation for the SF-26.
The test was originally scheduled to take place in Bahrain in early March, with Mercedes expected to participate. However, it was cancelled due to the impact of the ongoing geopolitical situation involving Iran, prompting Pirelli to relocate the programme to Fiorano.
In effect, Pirelli has “rented” Ferrari and Hamilton for the duration of the test, maintaining full control over the operational structure. This model is standard practice in Formula 1 tyre development, allowing the supplier to obtain real-world data without interference from team-specific objectives.
For the second day of running, Charles Leclerc is scheduled to take over driving duties in the SF-26. The inclusion of both Ferrari race drivers provides valuable comparative feedback, particularly in wet conditions where driving style can significantly influence tyre behaviour.
Wet tyre development remains a critical area in Formula 1, especially in improving grip consistency, water displacement, and driver visibility under heavy rain conditions. Data gathered from Fiorano is expected to play a key role in refining tyre specifications for future races.
Separately, Ferrari is also scheduled to conduct a filming day at Monza on April 22, providing limited track running within regulatory constraints.
As the 2026 season progresses, insights from the Fiorano test will contribute to Pirelli’s broader development strategy, ensuring tyre performance and safety standards remain aligned with the evolving demands of modern Formula 1.



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