The 100K Ultramarathon is a long-distance running event that covers a distance of 100 kilometers, or approximately 62 miles. It is typically held on trails or roads and can take place in various terrains, including mountains, forests, and urban areas. Participants often train for months to prepare for the physical and mental challenges of such a demanding race. Runners in a 100K Ultramarathon must manage their pace, hydration, and nutrition throughout the event. Many races include aid stations where competitors can refuel and rest. Completing a 100K is a significant achievement in the ultrarunning community, showcasing endurance and determination.