Wet Weather Readiness in Question as F1 Teams Navigate 2026 Technical Overhaul
Formula 1's 2026 season has brought significant regulatory changes, including modified starting procedures and restricted energy harvesting on straights. However, teams face a growing challenge: precious little experience with how the new generation of cars will handle rainy conditions, raising concerns ahead of the championship.

The introduction of new technical regulations for the 2026 season has prompted several adjustments to F1's operational framework, with safety considerations driving revisions to the starting procedures and tightened limitations on straight-line energy recovery systems.
Yet beneath these headline changes lies an emerging worry that threatens to complicate matters further: the performance characteristics of the updated machinery in wet weather remain largely unproven. Across the paddock, there is growing unease about the lack of practical experience teams have accumulated in challenging grip conditions with their 2026 cars.
The limited testing opportunities available during the pre-season phase have not adequately addressed this concern. The pair of three-day test sessions held in Bahrain proceeded under typically dry conditions, depriving teams of valuable data on how their new vehicles will behave when moisture covers the track surface.
This knowledge gap poses a genuine strategic problem as the season approaches, with teams unable to draw upon extensive wet-weather running to inform their setup decisions and driver preparation. The consequences of entering races without comprehensive understanding of wet-weather performance could prove costly, particularly early in the campaign when unpredictable weather patterns may test the limits of both car and driver capabilities.
Original source
Autosport
Related Regulations
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Full Regulation Text
Article B5.10.1
Formation Lap Behind Safety Car Due to Track Conditions
Chapter: B5
In Simple Terms
If the track is too wet or dangerous at the scheduled race start time, F1 can have drivers do their formation lap behind the safety car instead of on a normal grid. The Race Director can either force everyone to use wet-weather tyres (deciding 10 minutes before the start) or let drivers choose their tyres (deciding 5 minutes before the start).
- Formation laps behind the safety car only happen when track conditions are unsuitable for a normal start
- Race Director has two options: mandate wet tyres at the 10-minute signal or allow free tyre choice at the 5-minute signal
- This is a safety measure that delays the actual start but doesn't cancel the race
Official FIA Text
If track conditions are considered unsuitable to start the TTCS at the scheduled time, formation lap(s) may take place behind the safety car. Race Director may mandate wet-weather tyres at ten minute signal or allow tyre choice at five minute signal.
Article B5.14.1
Suspension of a Starting Procedure
Chapter: B5
In Simple Terms
If track conditions become too dangerous after the safety car formation laps have started, race control can suspend the start by sending a 'STARTING PROCEDURE SUSPENDED' message to all teams and displaying red flags. This gives officials time to assess whether it's safe to begin the race.
- The suspension can happen anytime after formation laps behind the safety car begin
- Track conditions must be deemed unsuitable for racing to trigger this rule
- Race control communicates the suspension via official message and red flag signals
- This is a precautionary measure to ensure driver safety before the race start
Official FIA Text
If at any time after the formation laps behind the safety car have commenced, track conditions are considered unsuitable to start the TTCS, the message "STARTING PROCEDURE SUSPENDED" will be sent to all Competitors, red flags will be shown.
Article B11.2.1
TCC General Conditions
Chapter: B
In Simple Terms
Teams can conduct TCC (Tyre Compatibility Check) testing on European circuits for a maximum of 9 continuous hours between 9:00 AM and 7:00 PM, but only when there's no championship competition happening. Teams need permission if they want to do it differently.
- Maximum 9 continuous hours allowed per TCC session
- Testing window is 09:00 to 19:00 (9 AM to 7 PM)
- Only permitted on European circuits
- Cannot take place during championship competition weekends
Official FIA Text
TCC may only take place for maximum continuous nine hours between 09:00 and 19:00 on European circuits unless agreed otherwise, while no championship competition is taking place.
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