After coming to Lanakila Mountain, Satoshi and friends decide to enter a PokéSled Jump tournament. PokéSled Jump is a sports where you ride a sled together with a Pokémon and jump with it. Who will win...?
Satoshi and friends have come to Lanakila Mountain, where they make merry in all the snow! Here, they meet the PokéSled Jump athlete Sara-san. She tells them that PokéSled Jump is a sports where Trainer and Pokémon ride a sled and jump together, and that there is a tournament today. They decide to enter the tournament on her invitation. But the Rocket Gang are among the participants as well... Who will win?!