Serious trail runners share their tips for runners who want to try running on Colorado’s mountain trails.
A beginner's guide to trail running in Colorado – Greeley Tribune
Mount Sanitas - Trail Running - A-Lodge Adventure Hotel in Boulder
The most beautiful trail runs in Colorado
Beginner's Trail Guide: Easy Trails in Leadville, Colorado
A beginner's guide to trail running in Colorado – The Denver Post
7 Keys for How to Run in The Snow and Ice (From a CO Runner)
Best trail races and events in Colorado for beginners and
A beginner's guide to trail running in Colorado – The Denver Post
Narrow Gauge Trail - Buena Vista & Salida, Colorado Visitor Guide
How to Train for a Trail Race
Trail Running 101: How to Run Uphill