Hotworx opened a second location in Round Rock at 635 University Blvd., Ste. 110 Aug. 17. The virtually instructed fitness studio offers yoga, Pilates, core and cycle fitness class options, among others, that are all carried out within an infrared sauna. Hotworx is open 24 hours a day, seven days a week, offering unlimited access to its members. 512-767-9357.