Register Now8th Annual Dirty 30 Gravel GrinderApril 19, 2025Route OptionsUnclean 16MGRS MiniDirty 30MGRS ShortFilthy 50MGRS LongSavage CenturyMGRS UltraSlick 66-Mile RideSlick 610K RunStride 55K RunD3.0Kids RidePrepareto get dirty in:00DEvent DetailsRace Day ScheduleThe RulesOur amazingSponsorsfeaturingIvanthe TerribleLearn MoreRecapof past eventsPhotos & VideosRace ResultsInterviewwith Mitch DeYoungNutrition Tipsfrom Hammer NutritionTraining Plansby Stuart CoachingMichigan Gravel Race Series3rd race in the series