Route: We'll walk from Shirlington out and back on Four Mile Run Trail a total of ~6 miles round trip. Shorter walks can be had at turnaround points along the way.
Meet: in front of the Shirlington Library (next door to Harris Teeter).
Parking: Lots of parking available in Shirlington (or along S Arlington Mill Dr with no time limits).
Optional refreshments after @ Busboys & Poets in Shirlington.
Weather: Check the weather prediction here.