%0 Journal Article
%T Intensity of competitive loads in highly qualified cross-country skiers in races of various formats and distances
%A Novikova, N.B.
%A Ivanova, I.G.
%A Belyova, A.N.
%K cross‑country skiing, cross‑country races, highly qualified athletes, competitive loads, sports physiology, heart rate
%J Scientific notes of P. F. Lesgaft University
%D 2026
%N 0
%P 7
%I National State University of Physical Education, Sports and Health named after P.F. Lesgaft