To fulfill the FIA "Rookie" requirements, several teams fielded fresh faces during this specific session:
Real-time data on top speeds, which are incredibly high in Mexico despite the high-downforce setups. To fulfill the FIA "Rookie" requirements, several teams
Featured in the Alpine (replacing Esteban Ocon). To fulfill the FIA "Rookie" requirements
Took the wheel for Haas (replacing Kevin Magnussen). To fulfill the FIA "Rookie" requirements, several teams
The session saw a mix of testing programs, with Ferrari and Red Bull trading fast laps early on.