4. 24 Hour Fitness
The name says it all. No matter when you want to work out, the facilities of 24 Hour Fitness are open, and available for you to burn calories, have a great stretching session, or improve your game using some of the advanced programs available. Affordable prices start from $30 a month, and availability, and widespread 400 locations throughout the US make this fitness chain a worthy choice, and scores a notable fourth position among the biggest fitness chains in America.
