This large relatively flat area is great for walks, runs, or bike rides of just about any length. I walked the Pacific Spirit Park down to the water; but spent most of my time in the developed area. Wide boulevards with no traffic permit the pedestrian to enjoy the sights without worrying about being driven over. I continue to be impressed with how the planners have blended new construction with the older buildings. Don't like architecture? Walk to the west and enjoy the Rose Garden and the water views. Lots of public restrooms and places to eat.
On the negative side, I had trouble with the maps. North belongs at the top, people! If you have a GPS, be prepared to use it. A lot.