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King Of Hammers

January 21 @ 8:00 am - February 2 @ 5:00 pm MST

Hammerking and King of the Hammers

King of the Hammers is the official website of Hammerking Productions. The founders of Hammerking are the force that founded the National race series, Ultra4 Racing, and the toughest week of one-day, off-road races in the world, King of The Hammers.

King of The Hammers takes place the beginning of the year on public lands in Johnson Valley, California.

The race has evolved from 12 teams racing for bragging rights and a case of beer, to more than 530 teams competing before more than 80,000 fans in person and 2 million viewers online. Due to the incredible success of King of the Hammers, Hammerking Productions created the Ultra4Racing Series, which has grown Internationally.

Each National Ultra4 series race is a qualifier for the King of The Hammers race for the upcoming year. Hammerking was the establishing series of the Unlimited class, as we know them, the Ultra4 or 4400 race car. The defining characteristics of this class are the sturdy 4-wheel drive and unlimited builds. These cars come in all shapes and sizes, are capable of speeds over 100+ mph and contain gear ratios as low as 100 to 1 for technical rock crawling. Additional classes in Ultra 4 include the: Every Man’s Challenge which encompasses 4600 Stock, 4500 Modified and 4800 Legend’s cars. The fastest growing class is the 4900 UTV class and newest is the Electric Vehicle (EV) class. Motos and a Rock Bouncer’s Shootout are also held at KOH.


January 21 @ 8:00 am MST
February 2 @ 5:00 pm MST