Khalid Khannouchi is a Moroccan-born American retired long-distance runner. He is the former world record holder for the marathon and held the former road world best for the 20 km distance. He is one of only five men to break the marathon world record more than once, and one of only five to break their own marathon world record. Khalid Khannouchi (Morocco) set the men's marathon world record of 2:05:42 in Chicago Marathon on October 24, 1999. It stood 2.5 years, until Khalid Khannouchi's 2:05:38 on April 14, 2002. Wiki link