An ultramarathon is a footrace longer than the traditional marathon distance of 42.195 kilometres (26 mi 385 yd). The sport of running ultramarathons is called ultra running or ultra distance …

Plan your next ultra marathon with this complete event calendar for North American ultra running events including trail races and road races.

Feb 3, 2025 · Tempted to break beyond the 26.2-mile limit of a marathon? Here’s your ultimate guide on how to enter the world of the ultramarathon.

Master ultramarathons with our comprehensive guide, training plans, an Ultramarathon Calendar, and essential tips for Race Day.

Learn how to select and prepare for your first trail ultramarathon, with tips on nutrition, hydration, mental and physical prep and more.

May 14, 2025 · Explore ultramarathon information, formats, distances, iconic races, and key history. Learn about official rules and become a smarter, stronger ultrarunner.

Aug 20, 2021 · An ultramarathon is a run that covers a distance longer than that of a standard road marathon—therefore, any run longer than 26.2 miles or 42.195 kilometers is an …

From the very beginning Mark has been so helpful answering questions about the website and the awesome timing system they have. Ultra Signup is by far above and beyond other registration …

Jun 8, 2023 · Ultramarathons come in various distances, with most events classified as different race distances. The most common ultra distances are the 50k, 100k, and 100-mile races. …

Jun 27, 2023 · However, the definition of these terms can be a little vague. So what is an ultramarathon and, more generally, an ultra-distance race? Here’s our answer to that question …