Pirelli to Conduct Unconventional Wet Weather Trial with 2026 F1 Machinery in Bahrain
Tire supplier Pirelli has unveiled ambitious plans to execute a specialized wet-weather testing program featuring next-generation Formula 1 cars in Bahrain during the latter part of this month. The unconventional test represents a significant undertaking in tire development for the sport's upcoming technical regulations.

In a move that underscores Pirelli's commitment to comprehensive tire development, the Italian manufacturer is preparing to stage an unusual wet-weather evaluation session with 2026 Formula 1 machinery in Bahrain before the month concludes.
The ambitious initiative showcases Pirelli's determination to thoroughly test their wet tire compounds under real-world conditions using the latest generation of F1 cars. Rather than relying solely on traditional dry-weather testing protocols, the tire supplier has opted for this distinctive approach to gather crucial data on wet-weather performance characteristics ahead of the 2026 season.
The decision to conduct testing in Bahrain—a location not typically associated with frequent rainfall—suggests Pirelli's focus on creating controlled conditions to evaluate how their wet tires will perform with the new cars. This methodical approach to tire development reflects the high stakes involved in preparing for the next era of Formula 1 competition.
Such unconventional testing programs have become increasingly important as F1 continues to evolve technically, with tire suppliers investing heavily in innovative evaluation methods to ensure safety and performance standards are met across varying track conditions.
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The Race
Related Regulations
Hover over badges for quick summaries, or scroll down for full official text and simplified explanations.
Full Regulation Text
Article 9.1
Tyre Specifications
Chapter: Chapter IX - Tyres
In Simple Terms
Pirelli is F1's sole tyre supplier. Each driver gets a fixed allocation per weekend: typically 13 sets of slicks (across soft, medium, hard), plus wet weather tyres. Teams must strategically use their allocation across practice, qualifying, and the race.
- Pirelli is sole official supplier
- Fixed allocation per weekend
- Three dry compounds: soft, medium, hard
- Intermediate and wet also provided
Official FIA Text
Only tyres supplied by the official tyre supplier may be used. During a race weekend, each driver is allocated a specified number of dry weather tyre sets comprising soft, medium and hard compounds, plus intermediate and wet weather tyres.
Article C10.8.1
Tyre Supply
Chapter: C10
In Simple Terms
Teams must use Pirelli tyres exactly as they come from the factory without any modifications like cutting, grooving, or chemical treatments. The FIA can approve different tyre specifications only if the standard tyres aren't suitable for specific race conditions.
- Tyres must be used in their original, unmodified state as supplied by the manufacturer
- Any modifications including cutting, grooving, or application of solvents are strictly prohibited
- The FIA has authority to authorize alternative tyre specifications only when standard tyres are deemed unsuitable for racing conditions
Official FIA Text
All tyres must be used as supplied by manufacturer. Any modification including cutting, grooving, or application of solvents is prohibited. FIA may authorize additional tyre specifications if unsuitable.
Article C10.8.2
Tyre Specification
Chapter: C10
In Simple Terms
The tyre supplier (Pirelli) decides what tyres F1 cars use, but they need FIA approval. These specifications can't be changed during the season unless the FIA deems it necessary for safety reasons. Think of it as a locked-in agreement to keep competition fair.
- Tyre supplier determines specifications in agreement with the FIA
- Specifications remain fixed throughout the season for competitive fairness
- FIA has emergency authority to change tyres mid-season for safety reasons
- Changes require Formula One Commission approval, except in safety situations
Official FIA Text
Tyre specifications determined by tyre supplier in agreement with FIA. Specification cannot change without Formula One Commission agreement, except FIA may change for safety reasons during season.
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