SuperNats XXVIII

73DAYS

2026 Winter Series

131DAYS

2026 Pro Tour

209DAYS

SKUSA Mexico

5DAYS

2025 PKC

41DAYS

2025 TSRS

19DAYS

Next ProKart Challenge Event

PRE-ENTRY OPEN NOW
Closes Tues, Oct 7 at 11:59 PM PDT

K1 Oct 3-5 - PRE-ENTRY OPEN NOW
Schedule // Pit Spots
Round 6 - K1 Circuit October 11-12, 2025
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
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!