SuperNats 29

131DAYS

2027 Winter Series

196DAYS

2026 Pro Tour

21DAYS

SKUSA Mexico

63DAYS

2026 PKC

43DAYS

2026 TSRS

56DAYS

Next ProKart Challenge Event


PRE-ENTRY OPEN SOON
 
PKC Round 4 - SONOMA RACEWAY August 15-16, 2026
Sonoma Raceway Karting Center
29355 Arnold Dr,
Sonoma, CA 95476
sonomaraceway.com
Google Maps
There will be a Sunoco vendor pumping fuel.
  • Pit Passes
  • Pit & RV Spot Reservations
  • Event Schedule
  • Track Map // Pit-Map
  • Info Sheet // Tech Sheet
  • Event & Series Prizes
  • Thur/Fri Practice Registration

California ProKart Challenge
Last Call for PKC Round 3 CalSpeed pre-entries! Deadline is Tonight!
Monday, 29 May 2017 12:58
Happy Memorial Day and Thank You to all of those who have served our country!
Racers, don’t miss tonight’s cutoff for ProKart Challenge Round 3 at CalSpeed this weekend! We will still take walkup entries at the track starting on Thursday afternoon at 3pm, but it will cost you a little more time and money! Why not do it now?
Click HERE for all EVENT DETAILS, and HERE to register on MotorsportReg!