Colorado Runner - Colorado's running news, events and results source

Quitting smoking improves running through six distinct physiological changes, including carbon monoxide clearance, cilia recovery, faster inter-session recovery, better altitude performance, and a manageable craving window, and those changes arrive in a predictable sequence starting within the first…

Runner-friendly towns share seven specific infrastructure and programming decisions (connected routes, right-sized trailhead parking, family play areas, year-round facilities, strategic lighting, a predictable race calendar, and strong local running culture) that transform trails from amenities into…

Athletes commonly struggle with gastro-intestinal (GI) issues, ranging from nausea to diarrhea. Athletes who participate in running sports that jostle the intestines or exercise in the heat for prolonged bouts are particularly prone to GI distress.