TY JOUR TI Structure and content of the training process of biathletes in the Russian national teams KW biathlon KW highly qualified athletes KW training equipment KW cyclical load KW strength load KW intensity zones KW competitive performance indicators JO Scientific notes of P. F. Lesgaft University AU Romanova, Y.S. AU Zagurskiy, N.S. PY 2025 IS 0 PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft