SuperNats 29

48DAYS

2027 Winter Series

113DAYS

2027 Pro Tour

197DAYS

SKUSA Mexico

22DAYS

2026 PKC

9DAYS

2026 TSRS

1DAY

Next ProKart Challenge Event

PRE-ENTRY OPEN NOW!
Closes Tues 9/29 11:59 PM PDT
You can still enter online but will be
subject to walk-up/late entry fee.
PKC Round 6 - K1 Circuit October 3-4, 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


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