I spent my entire life playing basketball and tennis; went on to play basketball in college. I played with great players, several of which went on to play in the NBA. However, I picked up running 3 years ago and I can say, without question, runners, swimmers and bikers are some of the most incredible athletes I've ever met. The endurance, spirit, focus and determination is unparalleled. The quality of person I meet is inspiring and daunting. To speak with a 60+ yr. old man who is running is 65th marathon; to speak with a 62 yr. old woman running 50 marathons in 50 states; to get passed (and beat) by men and women of all ages is humbling but so inspiring. I'm making a generality here and it doesn't apply to each individual but unlike my prior life in athletics, these folks also have such a broad and inspiring view of themselves, others, and the world. I learned more about a person's spirit in 3 yrs. of running than I ever learned in basketball or tennis.