24 Hour Fitness expects to open Dec. 8 at 1601 N. Hardin Blvd., McKinney, according to the company's website. This location, also called the McKinney Super-Sport Gym, includes studio classes, personal training, a kids club, group cycling, free weights, cardio equipment, indoor lap pool, basketball court, sauna, steam room, strength machines, a turf zone and a whirlpool. 888-243-5002. www.24hourfitness.com