{ "item_title" : "The Endurance of Speed", "item_author" : [" Jason R. Karp "], "item_description" : "Oftentimes, runners' performances plateau not because of what they do, but because of what they don't do. And one of the things that many runners don't do when they start running as adults is work on their basic speed. They never become fast runners. What happens if runners turn the traditional model of distance running training on its head and train speed first before training endurance? What happens when runners train at the right speed rather than at the right distance? The Endurance of Speed is a revolutionary new method of marathon and half-marathon training, in which you'll discover the remarkable answers to these questions, as you learn how to train your speed first and then how to improve your endurance of speed to reach and exceed your marathon or half-marathon goals.", "item_img_path" : "https://covers1.booksamillion.com/covers/bam/9/79/837/201/9798372015784_b.jpg", "price_data" : { "retail_price" : "19.95", "online_price" : "19.95", "our_price" : "19.95", "club_price" : "19.95", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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