SuperNats 29

208DAYS

2027 Winter Series

273DAYS

2026 Pro Tour

56DAYS

SKUSA Mexico

AHORA!

2026 PKC

7DAYS

2026 TSRS

14DAYS

Next ProKart Challenge Event

PRE-ENTRY OPEN NOW!
Late/Walk-Up Reg starts Tues, April 21
at 11:59 PM PDT. You can still register
online but $25 late fee applies.

PKC Rounds 1/2 - K1 Circuit April 24-26, 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

ProKart Challenge Readies for 2026 Season
Friday, 17 April 2026 11:41

ProKart Challenge opens the 2026 season with double round weekend at K1 Circuit (Photo: Spencer Russell – photosbysmr1)

The 2026 season for the Superkarts! USA ProKart Challenge marks the 22nd edition of the organization’s flagship regional program. The championship is coming off a strong 2025 season that featured increased numbers from the last several years, enjoying a schedule that featured three premier facilities. This year’s championship format features the same three circuits in a five-weekend, six-round, one-drop structure to welcome drivers from all across the western half of the United States.

The 2026 Superkarts! USA ProKart Challenge is set to begin on April 24-26 at the popular K1 Circuit. The Winchester, California facility opened its doors to SKUSA competition for the first time at the end of 2024, welcoming huge numbers over the two weekends of racing. The ProKart Challenge program visited K1 Circuit three times in 2025 and will return for two visits in 2026. The opening event of the new season will feature a double-round format, with Round One being contested on Saturday and Round Two on Sunday. Pre-registration for the opening event of the 2026 SKUSA ProKart Challenge closes on Tuesday, April 21 at 11:59pm PDT before late registration and walk-up begins.

Last year’s schedule featured the return of Sonoma Raceway into the Superkarts! USA ProKart Challenge program. The Sonoma, California facility will now host two events in 2026 with Round Three scheduled for May 23-24 and Round Four coming on August 15-16.

One of the country’s newest karting facilities returns to the Superkarts! USA ProKart Challenge schedule for 2026. The Spring Mountain Motor Resort and Country Club facility and the Spring Mountain Karting Complex in Pahrump, Nevada welcomed SKUSA for the first time in 2025 and will host Round Five of the 2026 championship on September 12-13.

The second visit to K1 Circuit will serve as the 2026 SKUSA ProKart Challenge season finale, scheduled for October 3-4.

Classes for the 2026 Superkarts! USA ProKart Challenge remains the same as last season. Pro Shifter and Master Shifter along with the three KA100 classes – Senior, Junior and Master – are joined by Mini Swift and Micro Swift. The FZ Shifter packages were introduced to the series in 2025 and return for the upcoming season. FZ125 Spec Shifter, FZ125 Master Shifter, Junior Shifter and Mini Shifter round out the categories for this season. Evinco Tires remains the spec tire for the program, including the Red ‘SK-M2’ and Blue ‘SK-H2’ compounds.

The prize package for the 2026 Superkarts! USA ProKart Challenge features an $84,000 value. The daily podium prizes return in 2026, with each class winner for each round earning a 2026 PKC Entry with tires, second place a 2026 PKC Entry, and third place earning a $50 Race Select credit for their next SKUSA event. This equates to more than $7,000 per round and over $42,000 across the 2026 season.

Year-end awards for the top three drivers in each class championship for 2026 is valued at over $42,000. Each class champion will earn a 2026 SKUSA SuperNationals 29 Entry with tires – along with the Guaranteed SuperNationals SuperSunday Starting Spot. Runner-up in the standings earns two 2027 ProKart Challenge Entries with tires. Third place in the championship takes home one 2027 ProKart Challenge Entry with tires.

Complete details for the opening round of the 2026 Superkarts! USA ProKart Challenge, including registration, event schedule, track map, pit map and more can be found on the PKC page of the SKUSA website. For more information on anything related to Superkarts! USA, please visit the website – www.superkartsusa.com and be sure to follow the Superkarts! USA Facebook page, Twitter and Instagram accounts.

2026 Superkarts! USA ProKart Challenge Schedule

April 24-26: K1 Circuit – Winchester, California
May 23-24: Sonoma Raceway – Sonoma, California
August 15-16: Sonoma Raceway – Sonoma, California
September 12-13: Spring Mountain Karting – Pahrump, Nevada
October 3-4: K1 Circuit – Winchester, California

2026 Superkarts! USA ProKart Challenge Classes

Micro Swift presented by Parazinho Chassis Jig
Mini Swift presented by Formula Works / GFC
KA100 Senior presented by Hayner Racing Team
KA100 Master presented by Precision Karting
KA100 Junior presented by Nash Motorsportz
Pro Shifter presented by Axis Kartsport
Master Shifter presented by Leading Edge Motorsports
FZ125 Spec Shifter presented by P1 Engines Inc.
FZ125 Master Shifter presented by Precision Works Racing
Junior Shifter presented by West Coast Motorsports
Mini Shifter presented by Empire Karts