Fitness on the Plaza at the Fiserv Forum Plaza Bring a sweat towel, some water, and a mat if you want to participate in this free workout for anyone of any fitness level featuring 45-minute full-body workout classes featuring cardio, bodyweight strength, core work and conditioning in partnership with Brew Fitness. The hour of exercise takes place most Thursdays at 6 p.m. through September 24. Learn more at tinyurl.com/pc5j2nra.