McLaren F1 reserve driver Pato O'Ward has given an update on his health situation after suffering severe food poisoning before his Mexico Grand Prix FP1 outing.

Further down the grid, Williams have selected academy star and F2 driver Luke Browning to step in for Carlos Sainz again, and Racing Bulls have enlisted the help of Japanese Super Formula driver Ayumu Iwasa to replace Liam Lawson for FP1.

Opening practice will see a dramatically different looking pack with nine drivers getting their chances in modern-day F1 machinery.

Formula 1 rookie crashed in a TPC test at Zandvoort ahead of scheduled FP1 session at the 2025 Mexico City Grand Prix.

Charles Leclerc went quickest in opening practice at the Mexico GP, with Arvid Lindblad fastest of all rookies

Lando Norris said McLaren were "already a little bit behind" after Friday practice at the Mexico City Grand Prix. Norris and team-mate Oscar Piastri are under pressure from Red Bull's Max Verstappen after a strong run of races for the Dutchman - and the four-time champion topped Friday practice at the Autodromo Hermanos Rodriguez.

Max Verstappen continued his Formula One comeback charge with the fastest time in practice for the Mexico City Grand Prix on Friday while McLaren rivals struggled.