Merry Lepper is a former American long-distance runner from California who is recognized by the International Association of Athletics Federations as having set a world best in the marathon on December 16, 1963, with a time of 3:37:07 at the Western Hemisphere Marathon in Culver City, California. Merry Lepper (United States) set the women's marathon world record of 3:37:07 in Culver City, United States on December 16, 1963. It stood 5 months, until Dale Greig's 3:27:45 on May 23, 1964. Wiki link