The Max Challenge, 4100 Eldorado Parkway, Ste. 200, McKinney, will open Aug. 29. The Max Challenge is a fitness concept that incorporates exercise, nutrition and motivation to help individuals achieve the best results in 10 weeks. The fitness center combines fitness classes for all ability levels with nutrition guidance, support and motivation to help individuals meet their fitness goals. 469-573-4629. www.themaxchallenge.com