When it comes to spaces like Brooklyn's Prospect Park, head for the desire paths in the woods and along the man-made waterways. Go where the speed demon bikers can't go. One mowed down and killed a mother of two in Central Park last month. So slow down, put to potential sacrifice your knees and ankles. Because when it comes to race bikers on an open asphalt roadway, they've got a potential killer under their butts.
Next: Running for Your Life: Why Race?