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.
Marathon Stakes The Marathon Stakes, formerly known as the Breeders' Cup Marathon, is a Grade II American Thoroughbred horse race is a Set Weights with allowances race open to horses three years old and up, and contested on dirt at a distance of 1 ⁄ miles. The race has a purse of US$200,000.