Training & Nutrition

This is how runners actually get ready, whether they are running 5K or 100 miles. Trailhead’s Training & Nutrition section covers the work that happens between race weekends — advice and training insights from coaches, fueling strategies, hydration science, recovery protocols, and Q&A guides on tapering, heat acclimation, and stepping up from 50K to 100 miles.

Built with coaches, dietitians, and elite runners who do this for a living. Brought to you by UltraSignup, the world’s leading trail running registration platform.

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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

What to Expect For Your First Ultra

Signing up for your first ultramarathon is a big step. Here are the finer points that no one tells you about in advance.

Zoë Rom

January 27, 2026

Why Ultrarunners Need to Embrace ALL Training Zones

Is Zone 2 the endurance hero it’s cooked up to be? Yes, and no.

UltraSignup

November 2, 2025

How do I train for a stage race?

Stage races aren’t just about endurance. They’re about waking up sore, smiling, and doing it all again. Here’s how to train so you don’t just survive the stages but savor them.

UltraSignup

October 6, 2025

Your Quick Guide to Tapering: Frequently Asked Questions

Learn the science behind perfecting your taper with help from CTS coach, Jim Rutberg.

UltraSignup

August 15, 2025

Know Your Engine: The Ultrarunner’s Guide to Physiology Testing

I came into the lab a skeptic, and walked out a very sweaty convert. You don’t need to be fast to benefit from this kind of testing. In fact, the slower or more unsure you feel, the more helpful it can be.

Zoë Rom

July 24, 2025