TY JOUR TI Motor marathon “81,000 steps in three days” as a means of increasing physical activity among creative university students KW physical education of students KW motor activity KW physical inactivity KW motor marathon KW gamification KW locomotion KW adaptation of the organism KW psycho‑emotional status JO Scientific notes of P. F. Lesgaft University AU Tatarentsev, V.L. AU Kochergin, I.A. AU Radovitskaya, E.V. PY 2026 IS 0 PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft