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
51 Monterey PKC is Cancelled
52 Multiple First Winners at ProKart Challenge 2020 Opener
53 ProKart Challenge to Host 16th Season in 2020
54 SKUSA To Allow KZ Engines To Run Alongside The 175SSE In Shifter Classes At The 2020 SKUSA ProTour And ProKart Challenge
55 Champions Declared for 2019 California ProKart Challenge
56 EKN Trackside: 2019 SKUSA Streets of Lancaster Grand Prix – Race Report
57 Win Streaks Continue in Santa Maria for California ProKart Challenge
58 California ProKart Challenge Gearing Up to Close Out 2019 Season
59 Second Half of California ProKart Challenge Underway
60 Season Resumes for California ProKart Challenge This Weekend
61 ProKart Challenge Round 4 at Monterey – Pre-Entry Deadline Approaching!
62 Drivers Double Dip and Set New Track Records at California ProKart Challenge Weekend in Fontana
63 California ProKart Challenge Set to Host Double Header Weekend in Fontana
64 Round One of California ProKart Challenge Contested at Buttonwillow
65 California ProKart Challenge Set to Fire Up 15th Anniversary Season
66 Top Five Reasons You Should Be Racing The 15th Annual Prokart Challenge Championship
67 ProKart Challenge Commemorates Its 15th Year of Competition with Amazing Prize Package For 2019 Season
68 California ProKart Challenge Champions of 2018 Decided
69 2018 ProKart Challenge Regional Championships have been decided! Your Awards Banquet Awaits!
70 EKN Trackside: 2018 Streets of Lancaster Grand Prix – Race Report
71 Hope you are joining us for the 10th Annual Streets of Lancaster Grand Prix this weekend!
72 Tenth Annual Streets of Lancaster Grand Prix to Close Out 2018 California ProKart Challenge
73 California PKC Competitors and Supporters -- Save The Date!
74 Championship Chases More Defined for California ProKart Challenge Following Monterey Event
75 IKF and IAME USA Confirm Details Of An Unprecedented $25,000 Triple Crown Cash Prize Pool in Conjunction With Upcoming Grandnationals
76 California Prokart Challenge Heading Back to Monterey
77 Don’t Miss Tonight’s Pre-Entry Cutoff for ProKart Challenge California Round 5 at Monterey Bay!
78 California ProKart Challenge Enters Second Half of 2018
79 Happy 4th Of July! Don’t Miss Tonight’s Pre-Entry Cutoff For The California Prokart Challenge At Santa Maria!
80 Second Half of California ProKart Challenge On the Horizon
81 Big Numbers and Exciting Racing for California ProKart Challenge at CalSpeed
82 Happy Memorial Day! Don’t miss Tonight’s Pre-Entry Cutoff for the California ProKart Challenge at CalSpeed!
83 Prokart Challenge Returns to Calspeed Karting at Auto Club Speedway For Round 3 of The 2018 Season June 1-2
84 Musgrave and Drew Tame Streets of Willow During California ProKart Challenge Weekend
85 Streets of Willow Reminders
86 California Prokart Challenge Resumes At Streets Of Willow
87 First Winners of 2018 California ProKart Challenge Decided
88 California ProKart Challenge Set to Kick Off 2018
89 X30 Super Master Division Created for SKUSA ProKart Challenge and LAKC
90 Revised Number Plate Dimensions
91 2018 Membership and Kart Number Changes
92 California ProKart Challenge To Crown 2017 Champions
93 Last Call to Purchase PKC Banquet Tickets
94 EKN Trackside: 2017 Streets of Lancaster Grand Prix
95 Streets of Lancaster Grand Prix to Host California ProKart Challenge
96 California ProKart Challenge Sees Pickett and Musgrave Split Headline Victories
97 Lancaster Event Pages Open
98 Pre-Entry Cutoff for Monterey is Tonight!
99 California ProKart Challenge Back in Action Labor Day Weekend
100 Pre-Race Practice in Monterey (Marina) August 26th
 
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