If you're new to trail running, check out this trail running 101. Here's a list of seven "must knows" before you head for the trails.
Trail Running For Beginners: How To Start Trail Running
Vail Recreation District 10K and 5K at 10,000 feet trail run race attracts hundreds of runners
Trail Running Gear Guide - The Ultimate Checklist
Trail Running 101, the Trail Runner's Checklist
The Beginner's Guide to Mountain Running for a Strength-Building Cardio Workout - The Manual
Trail Running 101: How to Trail Run Safely
Trail Running 101: How to Trail Run Safely
Trail Running 101 BLISTER Outdoor Media & Gear Reviews
Trail Running - Trail Racing for Beginners
What is Trail Running? - Ultra Running Magazine
Complete Trail Running Gear Checklist
14 Trail Running Adventures to Try Before You Die
What's Up in Ultra This Weekend — October 7 - Ultra Running Magazine
Trail Runners to Take on Olympic Marathon Trials
Trail Running 101 BLISTER Outdoor Media & Gear Reviews