World Athletics U20 Championships

World Athletics U20 Championships
StatusActive
GenreUnder-20 athletics
World Championships
Date(s)Varying
FrequencyBiennial
CountryVarying
Years active38
InauguratedJuly 16, 1986 (1986-07-16) (as 1986 World Junior Championships in Athletics)
Previous event2024 Lima
Next event2026 Eugene
Participants1,700+
Organised byWorld Athletics
WebsiteWorldAthletics.org

The World Athletics U20 Championships is a biennial world championships for the sport of athletics organised by the World Athletics, contested by athletes in the under-20 athletics age category (19 years old or younger on 31 December in the year of the competition.

The competition was launched as the IAAF World Junior Championships in Athletics in 1986 and renamed to IAAF World U20 Championships in November 2015. The current name was adapted with the name change of the sports governing body in 2019.

Anneisha McLaughlin-Whilby is the most successful athlete at the championships, having won one gold and four silver in individual and relay sprinting events between 2000 and 2004. Chris Nelloms, Davidson Ezinwa and Dexter Lee share the position of most successful male athlete, at four medals each.