TY JOUR TI MODEL CHARACTERISTICS OF COMPETITIVE ACTIVITY HEPTATHLON (MEN) KW MALE HEPTATHLON KW MODEL CHARACTERISTICS OF COMPETITIVE ACTIVITY KW REGRESSION ANALYSIS KW DEPENDENCE OF THE HEPTATHLON POINTS SUM ON THE NUMBER OF EVENTS EQUAL TO OR EXCEEDING THE MODEL VALUES JO Scientific notes of P. F. Lesgaft University AU , .. PY 2023 IS PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft