A marathon runner is an athlete who competes in long-distance running events, specifically the marathon, which is 26.2 miles (42.195 kilometers) long. These runners train extensively to build endurance, speed, and mental toughness, often participating in various races to improve their performance. Marathon runners may compete in organized events, such as the Boston Marathon or the New York City Marathon, which attract thousands of participants each year. Training typically includes a mix of long runs, speed workouts, and recovery days to prepare for the physical demands of the race.