The main National Triathlon events of the year took place on 3–4 July 2021 in Inskoy, Kemerovo Oblast (Kuzbass).

The Russian Triathlon Relay Championship and Junior Relay Championships were held on 4th July, followed by the Age-Group Relay Championship. The weekend concluded with the Russian Championship for Visually Impaired Athletes (Triathlon discipline).

The Olympic-distance Russian Championship featured fierce competition among athletes from more than 10 regions. Dmitry Polyanskiy and Alexandra Razarenova, members of the Russian Olympic Team, also took part in the event.