Anna Dušková / Martin Bidař and Daniel Samohin became the first World Junior champions in figure skating from the Czech Republic and Israel, respectively.
Israel's Daniel Samohin climbed from 9th after the short program to win his country's first World Junior title in figure skating.
Nicolas Nadeau, who missed the cut for the free skate in 2015, obtained the silver medal and three spots for Canada in the 2017 men's event.
Called up to replace the injured Nathan Chen, Tomoki Hiwatashi was awarded the bronze medal in his first appearance at Junior Worlds.
Russian pairs Anastasia Mishina / Vladislav Mirzoev and Ekaterina Borisova / Dmitry Sopot took silver and bronze, respectively, in their first trip to Junior Worlds.