SuperNats XXVIII

165DAYS

2026 Winter Series

223DAYS

2025 Pro Tour

55DAYS

SKUSA Mexico

34DAYS

2025 PKC

21DAYS

2025 TSRS

NOW!

Next ProKart Challenge Event


PRE-ENTRY OPEN NOW
Closes Tues, June 17 at 11:59 PM PDT
 
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
2025/26 SKUSA Event Schedules

2025 SUPERNATIONALS 28

XXVIII November 12-16 Las Vegas Motor Speedway

2025 Winter Series Schedule

Round 1/2 January 10-12 Orlando Karting Center
Round 3/4 February 7-9 Orlando Karting Center


2025 Pro Tour Schedule

Round 1/2 Mar 28 - 30 WinterNationals Speedsportz Racing Park
Round 3/4 May 23-25 SpringNationals Motorsports Country Club
Round 5/6 July 25-27 SummerNationals New Castle Motorsports Park


2025 PKC Schedule

Round 1/2 Feb 28 - Mar 2 K1 Circuit
Round 3 April 12-13 Spring Mountain, NV
Round 4 June 21-22 K1 Circuit
Round 5 August 23-24 Sonoma
Round 6 October 11-12 K1 Circuit


2026 Winter Series Schedule

Round 1/2 January 9-11 Location TBA
Round 3/4 February 13-15 Location TBA


2026 Pro Tour Schedule

Round 1/2 Mar 27 - 29 WinterNationals Location TBA
Round 3/4 June 12-14 SpringNationals Location TBA
Round 5/6 July 24-26 SummerNationals Location TBA