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 each loop having 750 feet of climb and descent.  The majority of the course is single track, with about half a mile of pavement per loop.  Participants will complete one loop to compete in the 5.22 Mile Trail Run or multiple loops to participate in the Ultra Challenge.

This event is part of the Maryland RRCA Ultra Series.   To qualify for an entry in the series, runners must complete 6 loops.

For more information, see our website: www.rickstrailrun.com