TY JOUR TI SERVICE-APPLIED SPORTS AS AN EFFECTIVE FORM OF PROFESSIONAL TRAINING METHOD OF POLICE OFFICERS USING THE EXAMPLE OF THE DISCIPLINE «THREETHALTH» KW Service-applied sports KW triathlon discipline KW competitive form of methodology KW professional training KW police officers. JO Bulletin of the Kaliningrad branch of the Saint-Petersburg University of the Ministry of Internal Affairs of Russia AU Tarasova, V.I. AU Parunov, I.M. PY 2025 IS 0 PB SAINT-PETERSBURG UNIVERSITY OF THE MINISTRY OF INTERNAL AFFAIRS OF THE RUSSIAN FEDERATION