SuperNats 29

TBA

2027 Winter Series

TBA

2026 Pro Tour

69DAYS

SKUSA Mexico

13DAYS

2026 PKC

20DAYS

2026 TSRS

27DAYS

Next ProKart Challenge Event

PRE-ENTRY OPENS APRIL 3 AT NOON
PKC Rounds 1/2 - K1 Circuit April 24-26, 2026
K1 Circuit
32240 Grand Ave
Winchester, CA 92596
k1circuit.com
Google Maps
There will be a Sunoco vendor pumping fuel.
There is no camping at this facility.
  • Pit Passes
  • Pit Spot Reservations
  • Event Schedule
  • Track Map // Pit-Map
  • Info Sheet // Tech Sheet
  • Event & Series Prizes

California ProKart Challenge
Happy Memorial Day! Don’t miss Tonight’s Pre-Entry Cutoff for the California ProKart Challenge at CalSpeed!
Monday, 28 May 2018 10:54
Tonight at midnight PDT, Monday May 28, is the cutoff to pre-register for this weekend’s PKC Championship round #3 at CalSpeed in Fontana, CA. Registration and SKUSA memberships can be handled at https://www.motorsportreg.com/orgs/skusa. All event details are posted at http://www.superkartsusa.com/regional/california-pkc.html Save on the walk-up entry fee and do it now!

Move-in starts Thursday 5/31 at 11am. Hope to see you there!