Yuri Strofilov, the owner of the online training service s10.run and the media resource Saint-Petersburg.ru, ran his first marathon at the age of fifty, and a year later was the fastest Russian runner at the New York Marathon. Now behind New York, Boston, Tokyo, Berlin, London. The book in which he shares his experience will be interesting for both advanced and novice athletes. It will help you gain motivation and teach you how to enjoy every workout.