SuperNats XXVIII

194DAYS

2026 Winter Series

TBA

2025 Pro Tour

21DAYS

SKUSA Mexico

14DAYS

2025 PKC

50DAYS

2025 TSRS

28DAYS

Next ProKart Challenge Event


PRE-ENTRY OPEN SOON

 
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
Title Filter     Display # 
# Article Title
101 Podboj and Yu Score First Headline Victories at California ProKart Challenge
102 Don’t miss Tonight’s Pre-Entry Cutoff for PKC’s Santa Maria Round 4 Event this weekend, July 7-8!
103 California ProKart Challenge Heads to Santa Maria
104 Pushback Bumper System Clarification for Remaining 2017 Prokart Challenge Events in X30 Junior and Senior
105 Hot Action Highlights California ProKart Challenge Event at CalSpeed
106 Last Call for PKC Round 3 CalSpeed pre-entries! Deadline is Tonight!
107 Superkarts! USA Returns to CalSpeed Karting Center
108 California ProKart Challenge Enjoys Great Racing Around Streets of Willow
109 Last Call for Streets of Willow Entries
 
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