Michael Wardian trail running in Marin, California   Photograph by Tim Kemple, The North Face     By Kate Siber  Next: "Barefoot" Running Tips >>  Runner Michael Wardian   is a master of both road and trail running, with more than 150  marathons, 60 ultramarathons, and 20 triathlons under his belt. He has  been the leading member of the U.S. 100K world championship team and has  won races from the 50K North Face Endurance Challenge to marathons in  San Francisco, Miami, Delaware, and Washington, D.C. He also holds the  Guinness World Record for the fastest marathon run in a superhero  costume, which he clinched as Superman in the 2011 Lower Potomac  Marathon.  1. TRAIN FOR TRAILS  Trail running  takes a different skill set than jogging on roads, but it’s not hard to  learn. “A lot of people say the only way to get good at running on  trails is to run on trails, but a lot of us don’t l...
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