Formula KFX
Inter-Company
Challenge

Sonoma Raceway | 15.11.2026

This exclusive event returns for the second year, bringing together top talent from several of the Country’s automotive innovators, for an unforgettable day of competitive racing and cross-industry camaraderie.

On Sonoma Raceway’s internationally-renowned karting circuit, you’ll be racing karts powered by the high-performance ROTAX Junior MAX Evo engine — capable of speeds of up to 65mph, also featuring:

  • Identically prepared Birel ART/Rotax karts
  • MG RL1 slick tyres
  • 20hp 2-stroke engine

Why Attend?

In addition to the thrill of the track, this event is a unique networking opportunity. Reconnect with former colleagues, forge new industry connections, and celebrate the shared spirit of innovation and performance that defines the automotive and mobility space.

Whether you’re racing or cheering from the sidelines, it’s the perfect setting to build relationships, share stories, and inspire new ideas — all while having a blast.

Format

  • 6 x 12-minute Sprint Races
  • 2-hour Endurance B Final
  • 2-hour Endurance A Final
  • Top-2 teams from the B final transfer to the A Final
  • 5 Mandatory Pit Stops (2 must include refueling)
  • Trophy and $1,000 cash prize to the winning team

Operated by the professional crew at Formula KFX, who bring years of international racing experience to ensure a safe, fair, and exciting event.

Pricing

Includes a full safety briefing and a race-ready high-performance 2-stroke kart:

  • Team Entry:: $795 total (2-4 drivers)

Race kit is mandatory. Personal gear must be pre-approved.

How to Register

Before visiting the registration page:

  1. Choose your Team Name
  2. Appoint a Team Leader to manage your entry

Spaces are limited – sign up early to secure your grid position!

The Venue

Location

  • Sunday, November 15th, 2026
  • Sonoma Raceway Karting Center
  • 29355 Arnold Drive, Sonoma, California, CA 95476
  • 7:30am-4:00pm

Circuit Layout

Sonoma Raceway - National Pro Circuit (Reverse)
National Pro Circuit (Reverse)

Build Connections. Fuel Competition. Have a Blast.

Whether you’re on the track or in the paddock, this is your chance to meet fellow innovators, reconnect with old teammates, and put your team’s skills to the test.