SuperNats 29

47DAYS

2027 Winter Series

112DAYS

2027 Pro Tour

196DAYS

SKUSA Mexico

21DAYS

2026 PKC

8DAYS

2026 TSRS

NOW!

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
Last Call for PKC Round 3 CalSpeed pre-entries! Deadline is Tonight!
Monday, 29 May 2017 12:58
Happy Memorial Day and Thank You to all of those who have served our country!
Racers, don’t miss tonight’s cutoff for ProKart Challenge Round 3 at CalSpeed this weekend! We will still take walkup entries at the track starting on Thursday afternoon at 3pm, but it will cost you a little more time and money! Why not do it now?
Click HERE for all EVENT DETAILS, and HERE to register on MotorsportReg!