The Ascent Journal

80/20 training is a staple in endurance training circles. The risk is, with all of the focus on optimized methods, that we forget how to adapt in a way that preserves good fundamentals when our situation doesn’t allow for “optimal.” A recent study by researchers in Italy set out to test how essential 80/20 training really is to making progress. Their results will probably surprise you.

Super shoes have taken over elite road and tracking running in the decade since they first emerged with Nike’s invention of the Vaporfly 4%. One category of runner that hasn’t gotten the same boost that everyone else got when super shoes appeared: trail runners. Research on trail running can be hard to do. Simulating rock and switchbacks on a treadmill in a laboratory poses some readily apparent challenges. Two recent studies provide some answers though.

A guest post by Treeline Athlete David Jones, covering everything you need to know about entering the most renowned marathons in the world.

How to run 50 miles, and an update on Treeline Athlete, Shae Rhinehart's quest to run ever-farther.

What you should know and how to achieve weight loss that serves your ultimate goal.

Developing fitness is one part of achieving big things, but developing these skills might matter even more.

Why everyone suddenly wants to run 250 miles, and the future of 200+ mile ultra running

An explanation of how much road running and trail running fitness translate to one another.

A comprehensive guide to fueling your best long distance running performances.

A coach’s side-by-side on terrain, vert, and difficulty at The Rut and Speedgoat, plus how to train for each. Analyzing and crowning the most challenging 50K ultramarathons in the USA.

The 10 aspects to choosing your first ultra every runner should consider

A letter to myself 10 years earlier

What some of the latest developments in running footwear might mean for all of our success in the sport. I grew up with the barefoot...

Treeline Endurance athlete Shae Rhinehart recently wrapped up a demanding training cycle leading to her biggest goal to date: finish her first race longer than a marathon. She chose the Daybreak Racing Wy’East Howl 50K in Mount Hood, Oregon-- a race over 31 miles long including 6,000 vertical feet of ascent and descent, all at an already-high altitude. If the race itself wasn’t challenge enough, she had chosen this as her first major “A” race in the wake of a two-year long kn

It isn’t perfect, but running power solves some of the most common problems runners face in training.