In collaboration with Dr. Stephen Seiler, the “father of polarized training,” we have curated everything you need to know about the 80/20 training method.

Committed athletes reach a point where performance gains depends more on the skills they build between their ears than on the strength of their legs or their heart. The very best athletes are as strong mentally as they are physically. In the Sport Psychology Pathway from Fast Talk Labs, we explore how to build mental skills with experts like Dr. Simon Marshall, Julie Emmerman, Grant Holicky, Lesley Paterson, and Julie Young.

Learn advanced data analysis for cycling, triathlon, and running workouts and races. With new data analysis tools, you can make better decisions about your training.

Used strategically, riding inside can be a beneficial way to keep motivation high, effectively add intensity, and stave off winter training doldrums. With the help of Joe Friel, Dr. Stephen Seiler, and others, we explore all aspects of indoor cycling.

Exercising in cold weather has a significant impact on our physiology—from breathing to metabolism to performance. In this Pathway, you’ll learn about the physiological and psychological effects of cold from renowned environmental physiologist Dr. Stephen Cheung and many other experts.

The concept of base training has been a part of endurance training for decades. Laying a foundation of fitness early in the season sets the stage for success later on. With the help of Joe Friel, Dr. Stephen Seiler, and Dr. Andy Pruitt, we explore the how and why of this fundamental aspect of endurance training.

It’s often undervalued, and sometimes altogether ignored; but it shouldn’t be. Recovery from workouts is as important to the training process as the workouts themselves. With the help of Dr. Stephen Seiler, Dr. Shona Halson, Dr. Andy Pruitt, and many others, we examine this critical but often neglected component of exercise physiology.

Sports nutrition for endurance athletes is controversial. With the help of experts like Dr. Asker Jeukendrup, Dr. Timothy Noakes, and Dr. John Hawley, we examine the science of fueling your body for performance and health.

Endurance athletes inevitably face the challenges imposed by training and racing in the heat. How do our bodies respond, and what are ways that we can best prepare? Learn how to beat the heat with advice from Dr. Stephen Cheung, Dr. Stephen Seiler, and a range of experts and coaches.

Analyzing your training is a critical aspect of improving fitness. With the help of Dr. Stephen Seiler, Colby Pearce, Julie Young, and many others, we explore how and why to monitor and analyze data, and explore different approaches to interpreting and managing your workout data.

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.

Healthy knees are critical for cyclists. See how to keep your knees happy with bike fit, strength training, mobility, and expert advice from Dr. Andy Pruitt, Jess Elliott, and Menachem Brodie.