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 running.

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

Oct 5, 2018 · Upcoming All Dates Specify Dates... All Distances 5K 10K Half Marathon Marathon Ultra Specify Distance... ** Limiting to 1000 ensures a fast response for all visitors. Use filter options to …

Mar 25, 2026 · Looking for some inspiration for your own ultra-running career? Keep reading to see our picks for the best ultramarathons in the US. Any reasonable list of the best ultras or best 100 mile …

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.

Home to the world's finest ultramarathon races, latest ultra stories and news. Search our comprehensive ultramarathon race calendar for your next challenge.

May 1, 2025 · Simply put, an ultra marathon is any foot race longer than the standard marathon distance of 26.2 miles (42.2km). These events can range from 50km to 100 miles or more, covering …

Find ultramarathons in every U.S. state. Browse by state and discover your next ultra with Ultra Race USA.

Nov 12, 2019 · Ultra races can be categorised into two main types: those contested over a specific distance and those contested over a specific time period. For example, races such as 50km and …

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