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 (United States) set the men's marathon world record of 2:05:38 in London Marathon on April 14, 2002. It stood 17 months, until Paul Tergat's 2:04:55 on September 28, 2003. Wiki link