Formula 1 pre-season testing in Barcelona saw Red Bull's Isack Hadjar surprisingly top the timesheets on day one. Driving the team's new car with their own engine, Hadjar set a fastest lap of 1:18.159s. This early performance is a positive sign for the team, especially with the sport introducing new engine and chassis regulations for the upcoming season.

Mercedes' George Russell acknowledged Red Bull’s strong showing, particularly impressed by the team's smooth operation. Hadjar completed 107 laps, indicating good reliability for a new engine program. The new regulations aim to level the playing field, making this a crucial season for engine manufacturers and team strategies. The 2026 season is set to be exciting.

Kimi Antonelli from Mercedes also had a positive experience, stating the car felt good. This early testing provides valuable data for teams to refine their setups before the season begins. With the new power unit, it will be interesting to see how the team adapts. The success of day one suggests a competitive season ahead.

Fans can watch the F1 2026 season on Sky Sports F1. The performance of Red Bull and other teams in these tests will set the stage for the season. The upcoming races will provide a clearer picture of the pecking order. With the new rules, this season is likely to be full of surprises.