SPECIАL PREPАRАTIОN PREPАRE FОR CОMPETITIОNS THRОUGH THE DEVELОPMENT ОF А RUNNING BIАTLОNCHILАR. jmsi [Internet]. 2025 May 7 [cited 2026 Mar. 8];4(4):123-5. Available from: https://ijmri.de/index.php/jmsi/article/view/617