Key words: 400 meters sprint, tactics of distributing the efforts; The values of the main kinematic parameters characterizing the run of Michael Johnson when setting the 400m sprint record are shown and analyzed in the article. The variant of distribution of the efforts during thedistance is formulated and he distinctive sides of the tactic used by the world record holder are defined. An attempt to link the kinematics of the world record to the aim of the preparation at fulfilling this successful tactical variant of 400 meters running.