Runner, triathlete, skier, paddler ... Jan Guenther, at 56, still is an athlete for all seasons

Jan Guenther didn't become interested in being athletic until she was almost out of grad school. But once she was hooked, she was hooked for life. Thirty years later, she's still an elite cross-country skier and national-champion triathlete. My story on her for ESPN's Weekend Warriors series: http://espn.go.com/espnw/life-style/article/14801816/weekend-warriors-jan-guenther-do-just-every-sport