SuperNats XXVIII

175DAYS

2026 Winter Series

233DAYS

2025 Pro Tour

2DAYS

SKUSA Mexico

44DAYS

2025 PKC

31DAYS

2025 TSRS

9DAYS

Next ProKart Challenge Event


PRE-ENTRY OPEN NOW
Closes Tues, June 17 at 11:59 PM PDT
 
Round 4 - K1 Circuit June 21-22, 2025
K1 Circuit
32240 Grand Ave
Winchester, CA 92596
k1circuit.com
Google Maps
There will be a Sunoco vendor pumping fuel.
There will be no camping at this facility for the foreseeable future.

California ProKart Challenge
Don’t miss Tonight’s Pre-Entry Cutoff for PKC’s Santa Maria Round 4 Event this weekend, July 7-8!
Monday, 03 July 2017 13:36
Attention SKUSA racers! Tonight at midnight is the cut-off to pre-register at our MSR link for our ProKart Challenge competitors’ FAVORITE summertime racing destination: Santa Maria!

All event info is posted on the Santa Maria Event Page. Don’t forget to reserve your pit spot or on-site camping thru the SKUSA online STORE by tonight, as well.

Entries will open later this weekend for the SummerNationals at New Castle, so watch for that info to be posted soon, as well.

Hope to see you in Santa Maria!