CrossFit Thornton in Thornton Colorado, near Northglenn, Westminster and Welby, is the only gym around to give you unlimited access to every class on our schedule. Each class is one-hour long including a full warm up and a coaches led workout.
We use high intensity training and constantly varied programming in every class so that you never get bored and never know what to expect.
At our Thornton facility we give you 1 FREE class to try out any class on our schedule. Simply show up 15 minutes before class begins.