SuperNats 29

207DAYS

2027 Winter Series

272DAYS

2026 Pro Tour

55DAYS

SKUSA Mexico

AHORA!

2026 PKC

6DAYS

2026 TSRS

13DAYS

Next ProKart Challenge Event

PRE-ENTRY OPEN NOW!
Late/Walk-Up Reg starts Tues, April 21
at 11:59 PM PDT. You can still register
online but $25 late fee applies.
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.

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!