Join Platoon Fitness every Saturday in July for a free outdoor fitness class on the plaza at Comcast Center. Saturday, July 9th, 8:30 a.m.-10:45 p.m. Saturday, July 16, 8:30 a.m.-10:45 p.m. Saturday, July 23, 8:30 a.m.-10:45 p.m. Saturday, July 30, 8:30 a.m.-10:45 p.m.