Rosaryville State Park, Upper Marlboro, MD
The Rosaryville Trail Runs is a Running race in Upper Marlboro, Maryland consisting of a 10 Miles and 10K Trail Run and 25K and 50K.
95% Single track dirt trail, with some roots, no difficult climbs; with 5% asphalt roads. Trail shoes not necessary. Thick wooded canopy for lots of shade. Two Water Stops at top and bottom of loop, approximately 4.5 miles apart.
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