Knowledge Base

Training Concepts

Periodization, polarized training, interval workouts—your performance depends on how you train. Master the key training concepts in endurance sports and you will look at every workout with new eyes.

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A coach looks at their stopwatch while their athlete does a ladder exercise in the background

Best Practices in Endurance Sport

Over a century of training and racing, coaches and athletes have continually experimented with the balance of volume and intensity. Today’s best practices look to maximize both a high volume of training and a small but potent dose of high-intensity work.

Black and white image of runners straining to cross the finish line.

The History of Run Training

The timely combination of running facilities and stopwatches gave running a leg up on other endurance sports, inviting more structured training and innovation.

Historical black-and-white photo of cyclists racing around a velodrome

The History of Cycling Training

The early European cycling scene was convinced that more miles and more racing made champions. By the 1980s, a new generation of pros was redefining the goal and the roadmap to get there.

Black and white historical photos of cyclists racing on boneshaker bikes

The Evolution of Endurance Training

Coach Joe Friel recounts the relatively short history of endurance sports to identify the athletes and coaches that influenced how we train and race today.

man running in a hazy landscape

Is Training in Air Pollution Worth It?

With more large wildfires appearing around the world in recent years, many endurance athletes wonder where and how to draw the line with training outdoors during poor air quality.