Few institutions have done more to advance athletics than Nike, and the Bowerman Track Club in particular hosts some of the most elite athletes in the world. On July 20th, mere mortals have the opportunity to share a course with the greats by running the 10th annual Bowerman 5k. While the field tends to be fast (last year’s top man finished in 14:39 and the top woman in 16:27), runners and walkers of all paces…