What is Fartlek Training?

“… this relatively unscientific blending of interval and continuous training introduced to the United States in the early 1940s had particular application to exercise outdoors over natural terrain. The system used alternate running at fast and slow speeds over both level and hilly landscape.” (Katch, McArdle & Katch, 2011, p.436). Katch, McArdle and Katch (2011,… Read More