INDYCAR Grand Prix Of Sonoma – Friday – 11:50 AM – First IndyCar practice
The first of three practice session for the final Verizon IndyCar Series at Sonoma Raceway for the foreseeable future began promptly at 11 AM. The ambient temperature was 59F, and the track temperature was 93F. Most of the 25 entries did an installation lap, coming back to pit road so that their crews could make…