Horse Julius and the Big Races

Horse Julius and Big Horse Racing is a 2020 animated Russian folklore spin-off film written by Vadim Sveshnikov, Maxim Sveshnikov, Alexsandr Boyarskiy and directed by Darina Schmidt and Konstantin Feoktistov. The writers and producers of The Three Bogatyrs resumed production in the tenth film of the Russian animated saga. Veteran producers for the series as well as CTB Film Company, Sergey Selyanov and Alexander Boyarsky resumed production for the film. Horse Julius and Big Horse Racing is the sequel to Three Heroes and The Heiress to the Throne (2018) and is dedicated to the feats of the character Bogatyr horse Julius.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.