
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…

Determining Aerobic Threshold Using Breath Monitoring
We know from decades of training and coaching that the best way to measure and regulate intensity, in order to…

Free Climbing El Cap from the Ground Up
It was the end of our fourth day on the wall, and the final 5.13a pitch was giving me fits.…

How to Climb the North Face of the Eiger
For many climbers the 1938 route on the Eiger would rightfully be a career highlight. It is a brilliant climb,…

Beyond the Breaking Point
The voices had gotten progressively louder, yet continued to be muffled. It sounded like being in a very crowded restaurant…

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…

10 Skimo Skills to Practice Early-Season
Skimo racing is hands down the hardest aerobic work I’ve done in my endurance career. The full-body engagement and use…