The UCI Junior Track Cycling World Championships (named the UCI Juniors Track World Championships before 2016[citation needed]) are a set of world championship events for junior riders, for various disciplines and distances in track cycling and are regulated by the Union Cycliste Internationale (UCI).
events include: time trial, keirin, individual pursuit, team pursuit, points race, scratch race, sprint, team sprint, omnium and madison.
Championships are open to riders selected by their respective national cycling associations.
World track championships are allocated to different countries each year.
They are run by that country's national cycling association, although the judges are provided by the UCI.