Boston to McKeesport

Leg 21 begins in the same fashion as the previous leg. After starting at the Boston trailhead, runners will continue along the trail cross over the Youghiogheny River. After crossing the river, runners will turn left and follow the trail toward McKeesport. At this point, runners will be running alongside roads on designated paths that are marked as the GAP Trail. The next exchange area will come up on the right of the GAP Trail at the McKee’s Point Marina parking lot.