Mark Fitzgerald (1 kniha)
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Mark Fitzgerald, Robert Johnson 80/20 Running EN
This revolutionary training method has been embraced by elite runners with extraordinary results and now you can do it, too. Respected running and fitness expert Matt Fitzgerald explains how the 80/20 running program in which you do 80 percent of runs at a lower intensity and just 20 percent at a higher intensity is the best change runners of all abilities can make to improve their performance. With a thorough…
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