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[[File:JackDaniels3rdEdition.JPG|right|thumb|500px|[http://www.amazon.com/dp/1450431836 Jack Daniel's Running Formula 3^rd Edition]. ]]Jack Daniels introduced his training plans in 1998, and he has been called "the world's greatest coach" by runner's world. Jack Daniels introduced the concept of specifying training paces based on fitness, and measuring fitness based on race performance, something other plans, including [[FIRST]] have built on. The book provides a series of plans for various distances, various abilities and ways of calculating the correct pace for each workout. The book is well written, and Jack Daniels is one of the most respected coaches; Runner's World famously called him "The world's best running coach". However, the plans require some hard work to interpret and analyze, as they can involve multiple segments at different paces. If you're looking for a marathon training plan, I've This article should be read in conjunction with my [[A Comparison of Marathon Training Plans| compared many marathon plansComparison of Marathon Training Plans]].