When you get to the end of the Greenline, you turn right on Tillman to go north. Tillman crosses Sam Cooper and then you take the first left which is Broad. Take that west which ends up at a crosswalk right at Sam Cooper and East Parkway, which is the edge of Overton.
I'm thinking I will ride my bike TO the event today and back home again also. Should be a 40+ mile day.