By now, you’ve probably figured out that trail running is less about speed—and more about staying power with some physical and mental endurance thrown in for good measure.

Staying steady on climbs. Staying focused, calm and in control on descents. Staying out longer than planned because you just want to see what’s around that next corner.

But how do you go from short, cautious runs to longer efforts, adventurous routes, or even your first trail race?

That’s what this final part of my guide is all about: how to fuel your efforts, build up your time on feet, and eventually move with the confidence of someone who knows how to handle varied terrain.

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PLUS, if you subscribe to my Newsletter you'll also learn what to look for in top performing trail gear, and you'll learn more about the trail running lifestyle.

🔒 This is Part 3 of a subscriber-only guide to trail running

Here’s what’s inside the full 3-part series:

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Trail fitness is as much adaptability as it is cardio

One of the most important things I’ve learned from trail running is that endurance on the trails is about more than just VO₂ max or mileage.

It’s about how your body handles variation:

  • Different surfaces
  • Unpredictable elevation
  • Weather swings
  • Longer durations on feet
  • Learning to eat while moving
  • And, sometimes, no clear end in sight (thank you Garmin navigation features!)

Building trail fitness is less about going faster, and more about going longer, smarter, and with fewer breakdowns along the way.

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