Dirty 30 Gravel
Always double-check with the organizer's website! This page may contain affiliate links.
About the race
Dirty 30 Gravel Grinder is an annual gravel race held in Saranac, Ionia County, Michigan, just a short hop from Grand Rapids. The event offers multiple rural dirt-and-gravel routes, from a 5K run to a 100-mile ultra, including 6-mile (Slick 6), 10K run, 16-mile (Unclean 16), 30-mile (Dirty 30), 50-mile (Filthy 50), 50K run, and the Savage Century 100-mile bike. It’s part of the Michigan Gravel Race Series, celebrated for a gritty, supportive atmosphere and a range of options plus a kids ride.
Notable features include the “Ivan the Terrible” route and extensive race-day resources. The next edition is slated for April 11, 2026. Visit the organization's website for the most recent information.