Burn Boot Camp will hold its soft opening in Keller at 2122 Rufe Snow Drive, Ste. 126, in late April, a spokesperson for the gym wrote in a Facebook message to Community Impact Newspaper. Burn Boot Camp hosts a variety of weekly workout classes that are 45 minutes long and designed for participants at any fitness level. The gym has locations in almost every state, including North Texas locations in Frisco, McKinney, Prosper, Richardson, Flower Mound and Hurst. [email protected]. www.burnbootcamp.com.