Access the official King of the Hammers rulebook and resources, including race regulations, technical requirements, and important documents for drivers, teams, and participants. Stay informed with the latest updates and guidelines for competing at the toughest off-road race on earth.

The 2026 Rulebook is available below for reference.

Read and print the Rulebook and reference materials before starting a project or when preparing for tech each year.

The official 2026 rulebook includes all race regulations, class requirements, and safety guidelines for King of the Hammers competitors.

Direct rule and tech questions to Tech@KingoftheHammers.com.

Please cite the rule in question with the page and item number from the Rulebook when emailing.

Direct rule and tech questions to Tech@KingoftheHammers.com.

Please cite the rule in question with the page and item number from the Rulebook when emailing.

Used during tech inspections:

SFI rated head and neck restraints are required for all classes:

Direct rule and tech questions to Tech@KingoftheHammers.com.

Please cite the rule in question with the page and item number from the Rulebook when emailing.