TREELINE BLOG

The implicit assumption is that all of those mitochondria are created equal. That’s where a new paper by Mikael Flockhart and colleagues at the Swedish School of Sports and Health Science in Stockholm picks up. If not all mitochondria are the same, then what exactly do the bad ones look like, and how do we avoid them?

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.

Is your training app running the show? “All models are wrong. Some are useful.” -George Box It used to be that we decided for ourselves how we were doing. I still remember my old manual training log where I’d enter my mileage for the day and a quick thought about how it went. But the roles have reversed. If training apps and sports watches are the new training logs, then it seems more like the training log is telling us how we’re doing instead. There’s a common favorite way t

Early in my coaching career, I came across this idea that has sort of lurked in the shadows of the coaching world for decades: while science is humming along providing rigorous data on what will move the needle on an athlete’s performance, coaches are the innovators. The narrative goes “Science will likely take 10-20 more years to explain why the practices coaches are using today are effective.” The first 2 months of my masters work involved recalibrating my understanding of

Data from the 2024 JFK 50 Mile shows a clear way to pace a successful race at this storied event.

Running-related overuse injuries remain a plague on the sport, sidelining some 20% of runners for at least a few days each training block. Shoe manufacturers and running retailers have worked with clinicians (podiatrists, physical therapists, etc.) to help runners and walkers alike find a footwear solution that will keep them free from injury. With the advances in shoe design and materials science over the last decade, what should we know about footwear's injury-reducing c

There are moments in life when you’re not sure how you’re going to take the next step. You feel broken—not metaphorically, but physically, emotionally, and spiritually—like your body has been through a meat grinder, and your soul is somewhere on the trail, questioning your life choices.

How to use the end of competition season to gear up for a successful next-season.

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.

What athletes need to know about the new ingredients in the Awesome Sauce energy gel by Spring Energy.

This post is to better define how and what athletes can communicate to me as their coach.

A glimpse into the reasons for early season racing by Treeline Athletes, and what we learned from them.

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

Understanding the importance of long runs, avoiding misconceptions, and training strategies for long distance races.

If you’ve struggled to create a strength training habit because you’re not sure what you stand to gain from it, this article is for you.

Avoiding or recovering from burnout as an endurance athlete.

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

How to create goals that you'll stay committed to.