Register NowEvent Photos2025 Results9th Annual Dirty 30 Gravel GrinderApril 11, 2026 Route OptionsUnclean 16 16 M Bike - MGRS MiniDirty 30 30 M Bike - MGRS ShortFilthy 50 50 M Bike - MGRS LongFilthy 50 50K RunSavage Century 100 M Bike - MGRS UltraSlick 6 6 M BikeSlick 6 10K RunStride 5 5K RunD3.0 Kids RidePrepare to get dirty in:00DEvent DetailsRace Day ScheduleThe RulesOur amazing SponsorsSaranac 24-7 Express Car Washfeaturing Ivan the TerribleLearn MoreRecap of past eventsPhotos & VideosRace ResultsInterview with Mitch DeYoungNutrition Tips from Hammer NutritionTraining Plans by Stuart CoachingMichigan Gravel Race Series 2nd race in the series
