Colorado Runner - Colorado's running news, events and results source

Join the Vail Recreation District for the 2024 Dynafit Vail Trail Running Series! We are excited to offer another fantastic season of challenging courses, breathtaking views, exciting prizes and a community-building atmosphere. Of course, you won't want to miss the free and delicious donuts from…

The 18th Colfax Marathon, presented by Cigna Healthcare, is making some exciting changes to its 2024 race courses. These changes will take the running experience to the next level for thousands of people that take part in its annual race weekend.

The USATF Mountain Ultra Trail championships calendar is set for 2024. Eleven events will be staged featuring distances from 10 kilometers to 100 miles as well as 24 hours, on road, trail, and mountain terrain. Nine states – Nevada, New York, New Hampshire, California, Pennsylvania, Arizona,…