The course is paved trails and bike trails that are part of the downtown Nashville Greenways system. There are a couple of points in the downtown section where runners will cross roads with live traffic. There are volunteers at each road crossing to inform you of when it is safe to cross. Traffic is minimal on a Saturday. Check out photos and maps of the greenways at www.nashville/gov/greenways/. Look for Stones Rivers Greenway, Shelby Bottoms Greenway and MetroCenter Levee Greenway.