Ferrari's Charles Leclerc leads Mercedes' Kimi Antonelli in Friday practice at the United States Grand Prix. By Alan Baldwin AUSTIN, Texas, Oct 23 (Reuters) - Ferrari's Charles Leclerc led the way in US Grand Prix practice on Friday, with Mercedes' Kimi Antonelli a close second ahead of a race that. Ferrari's Charles Leclerc is fastest from Red Bull's Max Verstappen in first practice at the United States Grand Prix.