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Huntington Beach, CA — February 12, 2026 — MRT Tires delivered a major statement on one of off-road racing’s biggest stages at the King of the Hammers 2026, one of the toughest races in event history, as Cole Clark (#24) drove his Single Seat Polaris RZR Pro R on 37” MRT Rocky RX tires to a 2nd place class finish and 2nd Overall in the UTV Hammers Championship. Tackling one of the most brutal off-road races in the world, Clark’s podium result — achieved with Zero Flats — underscores not only driving talent and preparation, but also the performance and durability of the 37” MRT Rocky RX, a tire purpose-built for the harshest environments in off-road racing.
Competing in the 4900 Open UTV class, Clark faced a stacked field of elite competitors along with extreme rock trails, high-speed desert sections, and relentless terrain that eliminated the majority of the field. His ability to push the pace while preserving equipment underscored both his driving skill and race strategy, as well as the durability and sidewall strength of MRT’s Nycore™ tire construction.
“These MRT Tires — I beat the hell out of these tires and they held up. I am so amazed by them,” said Clark. “No lie, it’s probably the best tire I’ve ever ran. The sidewall is super tough — everybody says that, but this thing is actually tough.”
37” MRT Rocky RX: Zero Flats in the Harshest Conditions
Clark’s podium finish came on the 37” MRT Rocky RX, a newly released size introduced in October 2025 and optimized for larger, high-horsepower UTVs competing in extreme terrain. Throughout the race, the Rocky RX absorbed repeated impacts while maintaining traction, stability, and control — ultimately delivering a Zero Flats performance from start to finish.
“They track so good in the desert — razor-sharp performance. The tire is built for the car,” Clark added. “I’ve been beating the crap out of these things and they’ve held up to the test.”
The Rocky RX features a super-sticky compound engineered for maximum grip on rocky terrain, combined with 8-ply Nycore™ belted construction and reinforced sidewalls designed to deliver exceptional strength, flex, and impact resistance. Backed by MRT’s 1-year sidewall warranty, the Rocky RX continues to prove itself in the harshest racing environments.
Youth Podium Adds to MRT’s Strong Showing
MRT Tires’ success at King of the Hammers extended to the next generation, as Mason Dowker captured a 3rd place finish in the 4900 Futures Youth 1000cc UTV class on MRT Desert Storm Tires — further reinforcing MRT’s commitment to performance and durability across all levels of competition.
Driven by Strength, Innovation, and Technology
From podium finishes to zero-flat reliability, MRT Tires continues to push off-road performance forward through advanced engineering, race-proven construction, and relentless product development. Built to endure the toughest races on earth, MRT Tires deliver the strength, innovation, and technology serious racers and enthusiasts demand when the terrain is unforgiving and failure is not an option.
MRT’s attention to quality with MRT Race Series tires and Muscle Race Wheels is revolutionizing racer performance. MRT racers’ accomplishments are driven by the performance of MRT tires built with Kevlar Armor Belt technology for anti-puncture durability — giving MRT drivers the confidence to tackle the toughest terrain and weather conditions. These tires feature Triple Belt Kevlar, Quad Belt Kevlar, Nycore® belted construction, D-Fence® Sidewall Protection, Apex Bead Grip, and a sticky tread compound, resulting in exceptional anti-puncture performance, sidewall strength, and durability to withstand the most extreme conditions and toughest terrains.
“We are proud of our racers and their performance. Our motto, ‘Quality When You Need It,’ is proven again and again on these courses,” said Mark Thornburg, President of MRT. “These tires and wheels pass the strictest tests and scrutiny before they are released. It’s this focus that allows drivers to race with confidence. We credit our Kevlar Armor Belt technology as delivering some of the strongest, best-traction UTV tires on the market,
and our continued innovation ensures our tires are always able to succeed through the toughest challenges.”
