Rumble Boxing, a group circuit boxing and training studio, held its soft opening in Creekside Park at 26435 Kuykendahl Road, Spring, on Dec. 14. The gym's grand opening celebration will be held Jan. 19-20, featuring free classes and Chick-fil-A on Jan. 19. Rumble has 35 studios around the U.S. and internationally, including in Australia and the Dominican Republic, and locations are set to open in Mexico and Kuwait, according to a media release. Classes are offered daily and are open to all skill levels. Customers will experience a 10-round, 45-minute fight during class, which is divided between exploring boxing skills and drills, and resistance training. 281-982-1640. www.rumbleboxinggym.com