Trail Running 101
You don’t have to figure it out alone. Trail Running 101 is Trailhead’s section for new and newish trail runners — beginner guides, road-to-trail transitions, common-mistake roundups, gear basics, training fundamentals, and the practical answers every first-time trail runner ends up Googling at some point. Written by experienced runners who remember being beginners.
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How to Transition from Running Marathons to Trail Races
If you’re a road runner who’s curious about making the transition to trail running, let this guide be a shortcut to the learning curve.
Ashley Arnold
March 9, 2026
8 Mistakes New Trail Runners Make (and How to Avoid Them)
Here are 8 common mistakes I learned the hard way when I started trail running, and how you can avoid them.
Ashley Arnold
March 2, 2026

