Czech driver Teo Borenstein of Jenzer Motorsport opened the 2026 F4 CEZ season by setting the fastest time in Saturday morning’s free practice session.
The 45 minute session was interrupted by two red flags, but every driver still managed to complete a solid number of laps. Leo Nilsson from Drivex team was the busiest on track, completing 19 laps.
Borenstein needed just ten laps to go quickest, posting a 1:33.241 to edge David Walther of Maffi Racing by just 0.042 seconds. Simon Rechenmacher of Cram Motorsport was third fastest, only 0.133 seconds off the pace.
See the complete results of free practice
