What Makes Runners Healthy?

Most research related to sports performance and nutrition is studied from the perspective of (male) athletes who have gotten sick or injured.

Registration is Open for 20th Denver Colfax Marathon

The Denver Colfax Marathon, presented by Cigna Healthcare, is proud to open registration for its 20th race weekend in the Mile High City. The marathon weekend will take place May 15-17, 2026, marking two decades of deep tradition in Denver.