SuperNats XXVIII

75DAYS

2026 Winter Series

133DAYS

2026 Pro Tour

211DAYS

SKUSA Mexico

7DAYS

2025 PKC

43DAYS

2025 TSRS

21DAYS

Next ProKart Challenge Event

PRE-ENTRY OPEN NOW
Closes Tues, Oct 7 at 11:59 PM PDT

K1 Circuit Oct 3-5 - PRE-ENTRY OPEN NOW

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

2025 Sonoma Pit Spot Reservations

RESERVED PIT SPOTS ARE SOLD OUT FOR SONOMA

Reserved and Unreserved Pit Spaces - all cost the same!

A pit space is NOT included with your race entry, and whether reserved or unreserved, there will be a cost to everyone to pit at this event no matter what – so we highly encourage all attendees to reserve their pit spots ahead of time. And as usual, PKC Sponsors will be placed on the pit map ahead of non-sponsors.

The location of unreserved spaces will be determined on a first-arrived, first-served basis with no ability to choose a location or pit neighbor. As a result, you could arrive before gates open on Friday morning and still be a lengthly distance from the pre-grid. Include in your pit spot purchase/reservation your top 3 choices of a pit location and we will do our best to accommodate you. Your assigned space will be available whenever you arrive. There is labor required to manage pit space reservations as well as pitting everyone upon arrival, so a cost is involved.  
  • Pit spaces for this event are $100 per spot,(BLACK numbered spaces). 
  • RED numbered spaces are $75 per spot.
  • Parking will begin Friday August 22nd at 7:30 AM
  • Again, PKC Sponsors will have priority pit placement.

OVERNIGHT CAMPING

  • RV camping IS allowed at this venue. Move in begins at 7:30 AM on Friday August 22nd.
  • RV spaces are located on the Lower level of Lot 2 behind the main grandstands.
  • NO camping in the paddock
  • Camping fee is $300 per space for the event. Spaces are 20’W x 40’D. 
  • All campers must be removed by end of day Sunday August 24th 7:00PM 

2025 Sonoma Pit Map

Updated: 8/19/2025
$75/100 Pit Spot $300 Camping Spot
 
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