2023 Race Calendar
- Jan. 14: Michigan Adventure Race: Winter, up to 3 hours, Rockford/Grand Rapids
- April 22: Hurt the Dirt trail race, 1/4, 1/2, full marathon, Luton Park, Rockford
- May 20: Michigan Adventure Race: Croton-Hardy (features Dragon Trail), up to 7 or 14 hrs, Newaygo
- June 24: Coast to Coast Gravel Grinder, 200 miles, Au Gres (Lake Huron) to Ludington (Lake Michigan) and 100-mile Coast Loop
- July 15: Summer Navigation/Compass Clinic, Seidman Park, Ada
- Sept. 9: Lord of the Springs Singletrack + Gravel Bike Race, 19 or 37 miles, Yankee Springs/Camp Manitou-Lin, Middleville
- Sept. 16: Fall Navigation/Compass Clinic, Seidman Park, Ada
- Sept. 23: Michigan Adventure Race: Owasippe, 5 or 8 hours, Twin Lake/Muskegon
- Nov. 11: Dirty Duel trail race, 3.1 vs. 3.4 miles, Robinette’s, Grand Rapids
2024 (tentative)
- Jan. 6: Winter Navigation/Compass Clinic, Seidman Park, Ada
- Jan. 13: Michigan Adventure Race: Winter, up to 3 hours, Rockford/Grand Rapids
- April 27: Hurt the Dirt trail race, 1/4, 1/2, full marathon, Luton Park, Rockford
- May 4: Spring Navigation/Compass Clinic, Seidman Park, Ada
- May 18: Michigan Adventure Race: Cannonsburg duration(s) TBD, Grand Rapids
- June 22: Coast to Coast Gravel Grinder, 200 miles, Au Gres (Lake Huron) to Ludington (Lake Michigan) and 100-mile Coast Loop
- Sept. 7: Lord of the Springs Singletrack + Gravel Bike Race, 19 or 37 miles, Yankee Springs/Camp Manitou-Lin, Middleville
- Sept. 14: Fall Navigation/Compass Clinic, Seidman Park, Ada
- Sept. 28: Michigan Adventure Race: Silver Lake, 6-7 hours, Silver Lake/Mears
- Nov. 9: Dirty Duel trail race, 3.1 vs. 3.4 miles, Robinette’s, Grand Rapids
Races from Our AR-Orienteering Partners
- Lost Arrow Sports
- Southern Michigan Orienteering Club meets throughout the year