For Beyond 50's "Fitness" talks, listen to an interview with Jeff Horowitz about his physical and mental journey that spans every U.S. state, over a dozen countries and six continents. You'll enjoy his detailed accounts of being in competitions at exotic locations like Beijing before the 2008 Olympics, Berlin after the wall fell, and the distant, unpredictable Antarctica. Visit www.Beyond50Radio.com and sign up for our free e-newsletter.