“…At the same time, the individual and not always steady development of individual sides of preparedness, the mechanism of manifestation of which is often in a certain antagonism, objectively reflects the logic of training, the natural data of a particular athlete [15,16,17], as well as the laws of the complex manifestation of various qualities and abilities, which is not always taken into account when planning training effects. Consideration of the current state of athletes is also important, taking into account the biorhythm of their body [18][19][20][21]. Analysis of specialized literature shows [6,7,22,23] that, despite a large number of studies on the study of competitive activity in sprinting, there are very few data and guidelines on the basis of which an individual model of competitive activity of runners can be developed to achieve the planned sports result.…”