Add “calorie-torching workout” to your Windy City Smokeout hit list! Join celebrity fitness trainer Erin Oprea – who has trained some of the fittest names in country music including Carrie Underwood, Maren Morris and Kacey Musgraves – for a high-energy workout class and fundraiser taking place Sunday morning on the festival grounds. The 60-minute class features Oprea's signature group workout format and will benefit Augie's Quest to Cure ALS. Following the class, guests are invited to enjoy BBQ, Mimosas and Bloody Marys at the Windy City Smokeout’s BBQ Brunch.