George Russell finished fastest on the final day of preseason testing ahead of the 24-race 2025 season. The Mercedes driver posted a 1:29.545 in the afternoon session, which was still slower than the testing benchmark set by the Williams of Carlos Sainz on Thursday.

After poring over the data from the Bahrain preseason test and talking to sources in pit lane, ESPN presents our predicted F1 running order for 2025.

The afternoon session of Formula 1 preseason testing was briefly interrupted Friday when a shuttle bus drove on the track. In a bizarre scene, a red flag was waved to halt testing as a white bus drove slowly on a runoff area of the track at Bahrain International Circuit.