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.
Michael Wardian Michael Wardian (born April 12, 1974) is an American marathoner and ultra-marathoner. He won the 2008, 2009 and 2010 US 50 km championships. In 2008, he won the U.S. National 100 km championship. Wardian also is the 2007 JFK 50 Mile winner, and won the National Marathon (now known as the Rock 'n' Roll USA Marathon) in Washington D.C. three consecutive years (2006–2008), and in 2010, 2011 and 2012.