IAAF World U20 Championships

The IAAF World U20 Championships (formerly named the IAAF World Junior Championships in Athletics up to November 2015) are the world championships for junior aged athletes (19 years old or younger on 31 December in the year of the competition), organized by the International Association of Athletics Federations. It is held biennially since 1986.

IAAF World U20 Championships

The IAAF World U20 Championships (formerly named the IAAF World Junior Championships in Athletics up to November 2015) are the world championships for junior aged athletes (19 years old or younger on 31 December in the year of the competition), organized by the International Association of Athletics Federations. It is held biennially since 1986.