Back بطولة العالم للناشئين لألعاب القوى 2012 Arabic بطولة العالم للناشئين لالعاب القوى 2012 ARZ Mistrovství světa juniorů v atletice 2012 Czech Leichtathletik-Juniorenweltmeisterschaften 2012 German Campeonato Mundial Junior de Atletismo de 2012 Spanish Yleisurheilun alle 20-vuotiaiden maailmanmestaruuskilpailut 2012 Finnish Championnats du monde juniors d'athlétisme 2012 French Campionati del mondo juniores di atletica leggera 2012 Italian 2012年世界ジュニア陸上競技選手権大会 Japanese Wereldkampioenschappen atletiek junioren 2012 Dutch
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| Host city |  Barcelona, Catalonia, Spain |
|---|---|
| Nations | 171 |
| Athletes | 1566 |
| Events | 44 |
| Dates | 10–15 July |
| Opened by | Juan Carlos I of Spain |
| Main venue | Estadi Olímpic Lluís Companys |
The 2012 World Junior Championships in Athletics was an international athletics competition for athletes qualifying as juniors (born 1993 or later) which was held at the Estadi Olímpic Lluís Companys in Barcelona, Catalonia, Spain, on 10–15 July 2012.[1] A total of 44 athletics events were contested at the championships, 22 by male and 22 by female athletes.
Several medalists from the 2010 championships were eligible to defend their titles, including Jacko Gill, Jodie Williams, Shaunae Miller, and Angelica Bengtsson. Gill and Bengtsson were successful.
- ^ "More Records set to be broken – World Junior Championships Entries confirm 186 countries". IAAF. 16 April 2012. Retrieved 16 April 2012.