several high-performance Rotax racing karts competing on an asphalt track

Registration Open for 2025 RRC California Championship

ByMichele Dye

The debut Championship Series for the Rotax Racing Club California is coming to Sonoma Raceway Karting Center in Sonoma, Calif. 

The winner of the Championship Series will receive a free entry to the 2026 Rotax Racing Club International Finals in Belgium, including race entry fee, airfare and hotel accommodations.

The inaugural Rotax Racing Club California Championship Series will feature four rounds of “Arrive and Drive” racing for Juniors, Seniors and Masters. We provide equally prepared Birel ART N35X chassis with a ROTAX 125 Junior MAX Evo engine. Drivers are responsible for providing their required racing safety gear.

The Rotax Racing Club Championship aims to attract drivers across a wide range of skills and abilities, looking to enjoy competitive racing on a strict budget.

Register for the 2025 RRC California Championship Series

Juniors Registration
Senior Lights Registration
Senior Heavy registration

2025 Championship Series Schedule

September 20
October 11
November 15
December 13

The Championship Series Prizes

The 2025 Rotax Racing Club California Series Champion will receive an entry for the Rotax Racing Club International Finals in May 2026 in Belgium, including flight and hotel.

Pathway to International Arrive & Drive Competition

Drivers in the 2025 Rotax Racing Club California will have the opportunity to qualify for a spot in a European race in 2026.

Pricing Information

$595 per round
*If you are not already part of the Rotax Racing Club California, you will need to join for $50/year.

Series Format

Warm-up10 min
Qualifying5 min
Pre-Final15 min
Final18 min

Required Safety Gear

For Juniors and Drivers Under 18 years old:

  • Helmet
  • Neck Brace (CIK-FIA certified)
  • Rib Protector*
  • Racing Suit
  • Gloves
  • Racing Shoes

*Strongly Recommended

For Seniors/Masters:

  • Helmet
  • Neck Brace (CIK-FIA certified)*
  • Rib Protector*
  • Racing Suit
  • Gloves
  • Racing Shoes

*Strongly Recommended

Venue Information

All 4 rounds of the 2025 Championship Series will take place at Sonoma Raceway Karting Center, home to California’s longest track. 

Venue Address: 29355 Arnold Dr, Sonoma, CA 95476

Travel Information

Camping at the Track
Sonoma Raceway will usually allow camping at the track the night before our race. It’s best to confirm with the track that you can camp out. Give them a call at (800) 870-7223.

Hotel Information
The following hotels are offering a reduced rate for our drivers:

BEST WESTERN PLUS Novato Oaks Inn
(mention Formula KFX when you reserve your room)
215 Alameda Del Prado 
Novato, CA 94949
Phone: (415) 883-4400

Airport Information
San Francisco International Airport (SFO): 38 miles
Charles M. Schulz Sonoma County Airport (STS): 46 miles
Oakland International Airport (OAK): 47 miles

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