Events by Human Potential Running Series

WELCOME TO THE HUMAN POTENTIAL RUNNING SERIES! The Human Potential Running Series is the largest trail running, and ultramarathon running, series in the state of Colorado; and the 2nd largest ultrarunning series in the nation. Human Potential Running Series (HPRS) was founded on the belief that everyone has their own reservoir of untapped human potential. We believe the right mix of challenge and adversity can allow you to tap into your potential in sport and in life. With event distances from 5k to 200 miles, HPRS offers opportunities for virtually every level of athlete to challenge themselves. Make no mistake, our races are TOUGH, but we work hard to create conditions that support your success.