Lisa Smith-Batchen was the first American to win  Marathon des Sables a six day marathon that spans how long of a distance?
Marathon des Sables Marathon des Sables, or MdS, (French for Marathon of the Sands, also known as Sahara Marathon) is a six-day, 251 km ultramarathon, which is approximately the distance of six regular marathons. The longest single stage (2009) is 91 km long.
2012 Chicago Marathon The 2012 Chicago Marathon was the 35th edition of the annual marathon race in Chicago, Illinois and was held on Sunday, October 7. An IAAF Gold Label Road Race, it was the fourth and final World Marathon Majors event to be held that year. Tsegaye Kebede won the men's race in a course record of 2:04:38 hours and Atsede Baysa was the women's winner in a personal best of 2:22:03. A total of 37455 runners finished the race (20688 men, 16767 women).