An ultramarathon runner is an athlete who participates in races longer than the traditional marathon distance of 26.2 miles (42.2 kilometers). These races can vary in length, typically starting at 50 kilometers and extending to 100 miles or more. Ultramarathons can take place on roads, trails, or even across challenging terrains, requiring both physical endurance and mental resilience. Training for ultramarathons involves building stamina through long-distance running, strength training, and proper nutrition. Runners often develop strategies for pacing and hydration to maintain energy levels throughout the race. Many ultramarathon runners also participate in events like trail running and endurance sports to enhance their skills and experience.