Marathon running is a long-distance race that covers a distance of 26.2 miles (42.195 kilometers). It is typically held on roads and can be completed by both professional athletes and amateur runners. The event tests endurance, stamina, and mental strength, making it a popular challenge for many. Training for a marathon usually involves a structured plan that includes long runs, speed work, and rest days. Runners often participate in local races to prepare and build their confidence. Marathons are held worldwide, with famous events like the Boston Marathon and the New York City Marathon attracting thousands of participants each year.