Interval Workouts

Interval workouts are a fundamental part of any training program and critical for any athlete who seeks improved endurance and explosive power. Intervals can bring huge performance adaptations—but only if they are executed properly.

Your Guide to High-Intensity Training

High-intensity training has many proven benefits, and several significant limitations. We explore the science of HIT, and suggest the most effective high-intensity intervals.

How Much High-Intensity Training Do You Need?

Episode 168

High-intensity training offers many benefits. It also has limitations. We explore just how much HIT work you need to perform at your best.

The Physiology of Race Season, with Dr. Iñigo San Millán

Episode 165

We explore the physiology of race season—how to find top-end fitness, how long it takes, and the best ways to do it.

Cycling Interval Training Pathway

Interval workouts are a fundamental part of any endurance training program. Learn exactly what intervals are, why they are so important, and how to properly execute interval workouts with the help of Sebastian Weber, Neal Henderson, and Dr. Stephen Seiler.

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Intervals 101

Intervals are a fundamental component of training. They enable athletes to add intensity in a controlled manner, and target specific energy systems.

A Deep Dive on Interval Execution

Learn how and why you should select certain intervals, how to integrate them into your training plan, when to do them, and how to properly execute them.

Favorite Workouts of Fast Talk All-Stars, Part 2

Episode 160

Former Fast Talk guests, including Ted King, Lindsay Golich, and Kristin Armstrong, discuss their favorite workout and its benefits.

Do Sprints Within Endurance Rides Improve Adaptations?

Dr. Stephen Cheung attempts to answer the question of whether it’s productive to incorporate intensity into an endurance ride.

Recent Research on Interval Types, Timing Effects on Performance, Health Benefits of Endurance, and Pacing Strategies

Episode 155

We review four recent studies from the scientific literature, addressing the hypotheses, methods, and conclusions of each to give you a greater understanding of the latest findings in endurance research.

What Does It Take to Train for Paris-Roubaix? Dr. Seiler Explores.

In this workshop, Dr. Stephen Seiler dives into the specifics of a famous Mat Hayman training session and also discusses how to "measure" high-intensity repeatability.