Volcano Fire Road 120K

May 11, 2024

This event starts in Veyo, Utah, just 20 minutes north of St. George. 75 miles with 6300′ of climbing on a beautiful course winding past mountains, trees and lakes. About 56% dirt and 44% pavement.

Cedar City Fire Road 100K


Starting in Cedar City, Utah, you’ll climb over 7500′ to vistas overlooking Zion National Park with giant aspen groves and Kolob Reservoir. About 85% dirt and 15% pavement. 100K and 60K options.

Planet Ultra Events

Outstanding Road Events!

All year long, in California, Nevada and Utah, Planet Ultra hosts centuries, double centuries, multi-day tours, and the Hoodoo 500 ultra marathon cycling race.

Gravel Grinder Cycling is brought to you by

Gravel Grinder Cycling is the brain child of Planet Ultra. Since 2001, we’re notorious for creating and hosting cycling events and races which are super hard-core, incredibly scenic and mainly off the beaten path. Our mission is to make your legs burn, push you to your limits, and send you home completely spent yet supremely stoked by your accomplishment.

We’ve got centuries, double centuries, multi-day tours and one of the toughest 500-mile races in the world, Hoodoo 500. And now we’ve got dirt. We love dirt… And hope you will too!

Our Official Charities

Utah High School Cycling League, an affiliate of the National Interscholastic Cycling Association, facilitates the development of high school cycling clubs/teams. They provide a high-quality mountain bike racing experience, while emphasizing the value of each participant (no bench) and placing camaraderie, positive sporting behavior and the cultivation of health over competition. Their mission is to establish a fun, enduring and relevant mountain biking program to improve Utah’s communities and the lives of Utah’s teens. Donate now!

Challenged Athletes Foundation’s mission is to provide opportunities and support to people with physical challenges so they can pursue active lifestyles through physical fitness and competitive athletics. Since 1994 CAF has played a pivotal role in not only changing the lives of tens of thousands of challenged athletes globally, but in evolving the world’s perception and acceptance of those with physical challenges. Donate now!

A portion of every entry fee is donated to both a local Utah High School Cycling League team and CAF. We also encourage racers to include donations with their registrations and/or make donations at the events.


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