Skaters who reached the age of 13 by July 1, 2012 but had not turned 19 (singles and females of the other two disciplines) or 21 (male pair skaters and ice dancers) were eligible to compete at two 2012–13 Junior Grand Prix events. They earned points at these events and the six highest-ranking skaters in each discipline qualified for the Junior Grand Prix Final.
Japan's Daisuke Takahashi was first in the men's short program, followed by the reigning World and GPF champion Patrick Chan of Canada, and Yuzuru Hanyu, also of Japan. Spain's Javier Fernández, fourth overall, won the free skate with a program that included a 4T, 4S+3T, 4S, and 3A. Takahashi won the GPF title in his seventh appearance at the event, Hanyu won silver, and Chan took the bronze.
Japan's Mao Asada took the lead in the ladies' short program, with the United States' Ashley Wagner and Japan's Akiko Suzuki in second and third respectively. Asada also placed first in the free skate and won her third GPF title, Wagner injured herself in falls during the free skate but completed the program and took the silver, and Suzuki took the bronze. Russia's Elizaveta Tuktamysheva was second in the free skate but remained in 5th overall.
The defending GPF champions, Meryl Davis / Charlie White of the United States, finished first in the short dance ahead of the reigning World champions, Tessa Virtue / Scott Moir of Canada, and Nathalie Pechalat / Fabian Bourzat of France. Davis / White also placed first in the free dance and won their fourth consecutive GPF title, Virtue / Moir won their third silver at the event, and Pechalat / Bourzat won the bronze.
Russia swept all four gold medals at the Junior Grand Prix Final and the entire pairs' podium.
The United States' Joshua Farris won the men's short program ahead of Russia's Maxim Kovtun and the 2011 JGP Final champion Jason Brown. Kovtun won the free skate with a program that included a 4T-3T, 3A+3T, and 3A. He won the title by 11 points over the silver medalist, Farris, while Japan's Ryuju Hino moved ahead of Brown to take the bronze.
Russia's Elena Radionova was first in the ladies' short program, with the United States' Hannah Miller in second and Russia's Anna Pogorilaya in third. Radionova also placed first in the free skate and won the junior ladies' title by 11 points ahead of silver medalist Miller, who placed fourth in the segment, and bronze medalist Pogorilaya.Angela Wang of the United States was second in the free skate but remained in fourth overall.
Russia's Lina Fedorova / Maxim Miroshkin took the lead in the pair's short program, followed by Canada's Margaret Purdy / Michael Marinaro and Russia's Vasilisa Davankova / Andrei Deputat. Fedorova / Miroshkin were also first in the free skate and won gold with a total score slightly over five points ahead of the silver medalists, Davankova / Deputat, while Maria Vigalova / Egor Zakroev rose to take the bronze, producing a Russian sweep of the podium. Davankova / Deputat were the only junior pairs' medalists to attempt (and complete) side-by-side triple jumps. Vigalova (born 29 June 1999) was the youngest skater at the JGP Final.