25 and 50 mile trail run in the spectacular Upper Arkansas River Valley - 8,000ft start / finish with course topping out at 9,500ft. 3,800ft gain for 25M and 7,600ft gain for 50M. Web site to provide much better idea!!
When: May (This trail race takes place in May each year. Visit race website link below for details.)
Location: Colorado, United States Nearby City: Buena Vista