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

Jan 11, 2015 · American Trail Running Association Race Calendar - 9000 trail running & ultrarunning races available! Find one near you!

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

Mar 28, 2024 · This quick guide to ultra running includes: what it is, why people fall in love with it, who the best ultrarunners are, how to start doing it yourself.

Aug 27, 2025 · Ultras are a different animal—part survival test, part eating contest, part mental war you fight in the dark with sore feet and a stubborn heart. You’ll walk when it’s smart, run …

Upcoming All Dates Specify Dates... All Distances 5K 10K Half Marathon Marathon Ultra Specify Distance...

iRunFar is your home for ultramarathon training info, trail running gear reviews, as well as insight into, information about, and inspiration running far!

Jan 23, 2025 · Thinking about ultrarunning? Our beginner's guide covers everything you need to get started—from essential gear and training tips to nutrition and mental strategies. Whether …

Ultra Signup is by far above and beyond other registration websites I have used. The "extras" this site provides to race directors of smaller races who can't afford chip timing are so helpful and …

Apr 28, 2025 · Ultra trail races are any trail events longer than a marathon (26.2 miles). Common distances include 50k, 50 miles, and 100 miles—often held in wild, scenic places like mountain …