The Rick O'Donnell 5.22 Mile Trail Run and 8-hour Ultra Challenge, held in beautiful Greenbrier State Park, Boonsboro, MD, is ideal for your first trail race, timed event or ultra-distance goal.
The 5.22 mile loop starts and finishes along the sandy shores of Greenbrier Lake with 750 feet of climb and descent on each loop. The majority of the course is single track, with about half a mile of pavement per loop. Participants wishing to complete just one loop will register for the 5.22 Mile Trail Run. Ultra Challenge registrants will be running as many loops as possible within 8 hours. Join the select few who have completed 8 loops in 8 hours!!! Hot, clean showers and indoor bathrooms just steps from the finish line in one of the prettiest state parks in Maryland! Bring the family to the beach while you're running in the woods-a perfect day for the entire family.
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