Trail Running calendar near Breckenridge 2025-2026

We have found 61 Trailruns within 80 miles of Breckenridge. See below where and when you can find the races.

Sheep Mountain Trail Runs, part of the Human Potential Running Series, takes place near Fairplay, Colorado on the western slope of the South Park Valley. The 12th annual event offers 50-mile, 50k, and Half Marathon distances, with a 16-hour time limit and a 300-runner cap. The start/finish is at the..