The exercise motto, "No pain, no gain," doesn't apply to runners: So say Danny and Katherine Dreyer, best-selling co-authors of "Chi Running" and their latest, "Chi Marathon." They believe "an ounce ...

NEW YORK (Reuters) - Chi Running evolved when a tai chi-practicing ultra-marathoner decided to apply principles from the Chinese system of slow, smooth movement to his running. The resulting method, ...

SEATTLE -- The sound of a metronome sets the pace for an easy jog around a Green Lake track. Coach Beth Cline uses the click, click, click to help her clients run pain free. "Like you're in the flow, ...