
How to Administer and Analyze a Heart Rate Drift Test
Heart Rate Drift Test This test has become our go-to test for all our coached athletes. We like it…

Talking Health, Performance, and Longevity, with Jesse Charles, M.D
Scott Johnston is joined by Doctor Jesse Charles, M.D. Jesse is a rural medical doctor and longtime adherent to the…

Nose in a Day in the Time of COVID-19
Our Nose in a Day project wasn’t supposed to take so long. COVID closures, issues with training, the California wildfires—nothing…

Breath Intensity Monitoring Physiology
In this article about the physiology of intensity monitoring, we define terms and explain the underlying metabolic processes that determine…

The Climbing Marathon
If you know the history of rock climbing in Yosemite, you know that many of the famed Stonemasters would winter…

Alpine Principles: Mentorship Gone Digital
Climbing mountains is incredibly dangerous. I believe long-term success as an alpinist should be defined as survival to old age.…

Using Blood Lactate Testing in Mountain Running
Let’s get one thing straight right away. I may be new to trail and mountain running (less than one year)…

30/30 Interval Training and the Need For Speed
Many athletes I work with throughout the year target long-duration events: high-altitude climbs, ultramarathons, and big ski tours. As avid…

Training Outside the Box: The Power of Creativity
I’ve had an old, yellowed, hand-lettered sign posted in my gym for about 15 years. It reads, “If you train…