Erich Manser has run 18 marathons and set an Ironman world record for a physically-challenged athlete. He’s also legally blind. For him—and all athletes who are blind—carefully navigating the swirling stampede of runners, the chaotic cowbell-banging crowds, and the crush at water stations can be exceptionally tricky, even with the help of a guide. So when Manser ran the Boston…
Read More