Monday's through August 28, 5:45-7 p.m., RiverBarre, Lower Mortensen Riverfront Plaza. Free. The partnership between Riverfront Recapture and Hartford Sweat is a total-body-toning workout based on a combination of ballet movement, yoga alignment and Pilates core work. You'll feel the burn with these low-impact body weight exercises that incorporate resistance bands, yoga stretching and controlled breathing. Bring water and a yoga mat, and wear sneakers. Visit riverfront.org for more information.