What's That Sound: Vol. 11

Each Monday, on Facebook, we'll give you a soundbite of what it is like to be behind-the-scenes at 5280 or out on the road with our reporters in Colorado. You guess where we are, and on Tuesdays, we'll reveal the answers on 5280.com.
January 14 2014, 10:00 AM

Where: University of Colorado's Human Performance Lab

When: October 29, 2013

What: Geoff Van Dyke, 5280's editorial director, runs on a treadmill as Dr. Iñigo San Millán, the director of the Human Perfomance Lab at University of Colorado, charts his progress. Read about how Van Dyke rebooted his fitness here.