Mercedes opts to skip Day 2 of Barcelona testing amid rain forecast

Mercedes has decided to sit out the second day of pre-season testing in Barcelona as heavy rain and thunderstorms threaten to disrupt running at the Circuit de Barcelona-Catalunya. The Brackley-based squad, which completed a solid 151 laps on the opening day with George Russell and Kimi Antonelli, chose to prioritize their program over running in unrepresentative conditions.

Why it matters:

While wet weather running offers a unique opportunity to evaluate Pirelli's new wet-weather tyres, severe thunderstorms provide little value for aerodynamic correlation or mechanical setup. Mercedes' decision reflects a calculated strategy to preserve resources and mileage for dry running, where data quality is significantly higher for car development. It also highlights the team's confidence after a strong start to the test.

The Details:

• Weather Woes: The forecast predicts rain arriving as the pit lane opens at 9:00 local time, with a high chance of thunderstorms around midday that could halt action entirely. Conditions are not expected to improve in the afternoon session.
• Day 1 Success: Mercedes was among the busiest teams on Tuesday. George Russell set the second-fastest time of the day, beaten only by Isack Hadjar, while Antonelli completed his program smoothly.
• Team Strategy: A spokesperson confirmed the withdrawal, noting the decision to postpone running rather than risk the cars in a deluge. It is currently unclear if other teams will follow Mercedes' lead or attempt to gather wet-weather data.
• Tyre Testing: Although the rain could have been useful for assessing Pirelli's full wet and intermediate tyres, the intensity of the forecast likely made the risk-reward ratio unfavorable for the Silver Arrows.

What's next:

The paddock now waits to see if the weather clears for the remainder of the test or if teams will have to adjust their schedules significantly. Mercedes will likely look to maximize their track time when the sun returns, focusing on long runs and performance consistency to build on their promising opening day.