The Formula 1 season heads to Silverstone for July 5 and 6. On Saturday around 5 p.m. British time, the grid session begins. The sprint race runs Sunday at 11 a.m., followed by main race at 3 p.m. Sky Sports F1 airs every session in real time. Demanding Silverstone tests the cars hard. Ferrari cut lap times late in practice, closing their gap to Red Bull’s faster cars.