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
Last Call for Streets of Willow Entries
Monday, 27 March 2017 21:34
Pre-Entry for PKC Round 2 at Streets of Willow closes tomorrow morning so make sure to get your entries in tonight.  You can register on MotorsportReg.