Dr. Stephen Seiler

Dr. Stephen Seiler

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After growing up in the U.S. and earning his doctoral degree from the University of Texas at Austin, Stephen Seiler, Ph.D., FACSM, has lived and worked in Norway for over 20 years as a university teacher, researcher, and leader. He is past Vice-Rector for Research and Innovation and past Dean of the Faculty of Health and Sport Sciences at the University of Agder in Kristiansand, Norway. Currently, Dr. Seiler is Professor in Sport Science at the same institution.

While anchored in an academic environment, Dr. Seiler has also served as research consultant and scientific advisor for a research foundation, sports teams, a regional hospital, and the Norwegian Olympic Federation. From 2014 to 2019, Dr. Seiler served on the Executive Board of the European College of Sport Science, where he founded the Elite Sport Performance Special Interest Group in 2014.

Over the last 15 years, Dr. Seiler has become internationally known for his research publications and lectures related to the organization of endurance training and intensity distribution. This work has included both descriptive and experimental approaches, investigating cyclists, rowers, cross-country skiers, orienteers, and distance runners. His work has influenced and catalyzed international research around training intensity distribution and the “polarized training model.”

Dr. Seiler has published over 100 peer-reviewed publications and written over 100 popular science articles related to exercise physiology and the training process. He has also given scientific lectures across Europe, the United States, China, South Africa, and Australia. He is also a founding editorial board member of the International Journal of Sport Physiology and Performance.

Endurance Performance Testing and Monitoring— Past, Present, and Future

Dr. Stephen Seiler presents on the history and future of endurance sports testing and monitoring.

From Polarized to Individually Optimized Endurance Training in 5 Steps

Exercise physiologist Dr. Stephen Seiler walks through five steps for turning polarized training into a more personalized approach.

Data Analysis: Mathieu van der Poel at the Tour of Flanders

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.

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How Long is Too Long on Zwift?

Dr. Stephen Seiler analyzes a 13-plus-hour Zwift ride by Jonas Abrahamsen of the Uno-X Pro Cycling Team from Norway.

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.

Load, Stress, Strain: Understanding the Difference Can Make You Fitter and Faster

Dr. Stephen Seiler demystifies training scores and metrics, giving athletes a clear definition of the fundamental principles of sport science.

Dr. Seiler Answers Five Great Endurance Questions

Dr. Stephen Seiler answers five endurance training questions on heart rate, zones, polarized training, rest, and much more.

Wprime, Critical Power, 6-minute Power, and Variable Intensity Races

In this video, Dr. Seiler thinks out loud—with math—to explore how critical power and variable intensity races might connect in practice.

Polarized Training—”Ordinary Workouts Done Extraordinarily Well”—with Dr. Stephen Seiler and Trevor Connor

Dr. Stephen Seiler and Trevor Connor discuss polarized training, intensity distribution, and endurance in this webinar with CKO Sprint.

How to Manage Heat During Indoor Workouts

Training inside is hot! Here are some facts and tips on beating the heat indoors.