Workshops & Webinars. How-To Videos. Techniques. Workouts.
Library members get access to the Fast Talk Laboratories video library including how-to, training analysis, technique, recorded Q&A sessions, and workout videos from our coaches.
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.
Coaches Trevor Connor and Ryan Kohler review TrainingPeaks metrics such as Acute and Chronic Training Load (ATL/CTL), Training Stress Balance (TSB), and discuss the interactions among the metrics.
Cardiovascular drift is an instability in heart rate and stroke volume over time. We show you how to determine it.
What is sports science getting wrong in 2026? In this clip from our 400th Fast Talk episode, Dr. Iñigo Mujika, Dr. Stephen Seiler, and Prof. Louise Burke expose some of the biggest blind spots in sports science.
In this special Fast Talk milestone episode, three of the world’s leading experts in endurance physiology—Dr. Stephen Seiler, Dr. Iñigo Mujika, and Dr. Louise Burke—discuss the breakthroughs, mistakes, and technological shifts that reshaped how athletes train, recover, fuel, and measure performance.
This YouTube-exclusive discussion looks at a new longevity study that asks a big question: Does exercise intensity matter more than volume for living longer and reducing cardiovascular risk?
Coach Grant Holicky explains what technological advances and AI won’t be able to replace in coaches.
Dr. Stephen Seiler joins Trevor, Rob, and Grant as they ask each other spicy questions while eating hot wings.
The options for data and devices are endless and some athletes need their coach to intervene. Coaches Ryan Kohler and Alison Freeman describe the metrics that matter most.
Coaches want to see CTL, or fitness, on the rise. But there are times in the season when CTL will go down. Joe Friel explains why this is critical.
Coaches Joe Friel and former pro cyclist Ben Day talk about setting goals and how measuring progress must include “more than just numbers.”
Joe Friel provides an overview of the key training metrics that help coaches quantify training load and plan for performance.
Joe Friel details the ways in which coaches can identify strengths and weaknesses in movement patterns, motivation, and training execution.
Coach Ryan Kohler highlights his favorite Intervals.icu analysis tools and how to use them to improve your training.
Dr. Stephen Cheung explores the various ways athletes and coaches can quantify hard efforts, and how this can inform training.
Dr. Stephen Seiler and his daughter, an elite runner and sport science student, analyze bronze medalist Molly Seidel’s Olympic training.
Dr. Stephen Seiler dives into Mathieu van der Poel’s power data from the 2021 Tour of Flanders to decipher what it takes to excel in a Spring Classic.
The “comments” field in TrainingPeaks is not to be ignored: It can be a helpful guide for coaches and a useful reference for athletes.
Coaches Trevor Connor and Ryan Kohler review TrainingPeaks metrics such as Acute and Chronic Training Load (ATL/CTL), Training Stress Balance (TSB), and discuss the interactions among the metrics.
Dr. Stephen Seiler analyzes a 13-plus-hour Zwift ride by Jonas Abrahamsen of the Uno-X Pro Cycling Team from Norway.
Coaches Ryan Kohler and Trevor Connor demonstrate how to spot trends in the relationship between power and heart rate using intervals.icu.