The American Birkebeiner has for a long time been a machine in American nordic skiing, but how do the inner workings function? Threshold talks with Birkie Executive Director, Ben Popp, just one week away from North America's biggest cross country ski race.

This episode of Threshold is sponsored by Salomon. Learn more about Salomon's dedication to sustainability and view their sustainably produced gear at Salomon.com

With guest Ben Popp

Hosted by Chad Salmela

Produced by Chris Parr