Competitor Registration

Are you ready to compete in the toughest off-road race in the world?

Whether you're part of the Pit Crew, a Co-Driver, competing in King of the Motos, or taking on the ULTRA4 and Desert Challenges, this guide will walk you through every step of the process to get you out on the lakebed. Follow the instructions below to register to race, and secure your race numbers and required licenses.

Don’t forget to subscribe to all racer communications HERE for the latest updates and important information.


ULTRA4 AND DESERT RACING:

NOTE: Ensure registration is completed using the Driver of Record’s name.

  1. Secure your race number. If you are a new competitor or have not raced Ultra4 in the past 12 months, email CarNumbers@kingofthehammers.com with the following information:
    • Full first name, last name and phone number for driver of record
    • Class and subclass you are racing
    • 3-5 preferred numbers in order of preference

  2. Purchase a USAC license HERE. Required for all Drivers. Licenses must be purchased before arriving at the lakebed and will be verified.
    • If you are racing more than one class, select the higher class under the “Race Class” section.

  3. Register to Race HERE. Required for all Drivers. You will need:
    • Current USAC license number from Step 2
    • Your class and subclass (if applicable)
    • Medical insurance information
    • Car details (Including OEM, motor, tires, wheels, shocks, etc.)

  4. Upload your W-9 Form HERE. A new form is required yearly to pay out purses and the Team Apparel Program.


PIT CREWS:

  1. Purchase a General Admission Ticket HERE. Required for all Pit Crew members. Tickets will be verified upon arrival at the lakebed.

  2. Purchase a USAC License. Required for all Pit Crew members. Licenses must be purchased upon arrival to the lakebed at the welcome gate.


CO-DRIVERS:

  1. Purchase a General Admission Ticket HERE. Required for all Co-Drivers. Tickets will be verified upon arrival at the lakebed.

  2. Purchase a USAC License HERE. Required for all Co-Drivers. Licenses must be purchased before arriving at the lakebed and will be verified. This page will soon be updated with a link to purchase a license.


KING OF THE MOTOS:

NOTE: Ensure registration is completed using the Rider of Record’s name.

  1. Join the American Motorcyclist Association HERE. Required for all Riders. Membership will be verified upon arrival at the lakebed.

  2. Register for the Series and Request Your Number HERE. Required for all Riders.

  3. Register to Race HERE. Required for all Riders. Registration opens August 9th. You will need:
    • Current AMA license number from Step 1
    • Your class and subclass (if applicable)
    • Medical insurance information
    • Motorcycle details (Including OEM, motor, tires, wheels, shocks, etc.)

  4. Upload your W-9 Form HERE. A new form is required yearly to pay out purses.

Are you a first-time KOH competitor?

Click below to learn more about our 2025 Rookie Program!