For a fun way to see the city while getting in a good jog, check out UnTour's Running tours for a uniquely guided journey through the city.
You can choose their standard 10km route, or, if you're feeling really ambitious, they offer 20km & 25km morning runs as well. They provide water, food, transportation and will even send you an email afterward with your run stats and a route map.
AM run: RMB 350 and up for single runners, for each additional runner add RMB 200
PM run: RMB 450 and up for single runners, for each additional runner add RMB 200