20 Years of Wild Off-Road Racing: A Look Inside the Evolution of King of the Hammers A look at how King of the Hammers (KoH) has evolved over its 20 years of existence, from a chat with its founder and an… Written by Michael Van Runkle January 02, 2026
Ultimate Off-Roaders: The Evolution of Ultra4 Cars Ultra4 cars are insane off-road race machines. HeavyMetalConcepts looks at the origins of the cars and how they’ve evolved over the past 15 years. Written by Evan Williams January 23, 2023
