FIT36, a Denver fitness studio, takes over Brider, star chef Steven Redzikowski’s hot new fast-casual rotisserie restaurant on Sunday, January 22, 9:30 a.m. to 12 p.m. to offer a FREE 36-minute High Intensity Interval Training (HIIT) workout led by leading local trainers. Afterwards, FREE brunch is served. While the workout and food are complimentary, guests are encouraged to donate of $20, which goes to LiveWell Colorado, an organization that works to combat Colorado’s obesity issues. All participants will also receive a FREE week of classes at one of FIT36’s Denver studios. Click here to sign up. Brider is at 1644 Platte Street, Denver; 303-455-3084.