IE 11 is not supported. For an optimal experience visit our site on another browser.

Visit the state-of-the-art facility where US athletes train for Rio

03:19

The U.S. Olympic Training Center in Colorado Springs is where the world’s best come to be get even better. TODAY’s Natalie Morales shows viewers chambers that can adjust to simulate various altitudes, helping athletes like cyclist Sarah Hammer prepare for different environments. (Run time: 3:20)