Joan Benoit Samuelson is an American marathon runner who was the first women's Olympic Games marathon champion, winning the gold medal at the 1984 Summer Olympics in Los Angeles. She held the fastest time for an American woman at the Chicago Marathon for 32 years after winning the race in 1985. Her time at the Boston Marathon was the fastest time by an American woman at that race for 28 years. She was inducted into the Maine Women's Hall of Fame in 2000.

The marathon is a long-distance foot race with a distance of 42.195 km, usually run as a road race, but the distance can be covered on trail routes. The marathon can be completed by running or with a run/walk strategy. There are also wheelchair divisions. More than 800 marathons are held throughout the world each year, with the vast majority of competitors being recreational athletes, as larger marathons can have tens of thousands of participants.