The 2015 World Youth Championships in Athletics was the ninth edition of the biennial international athletics competition for youth (under-18) athletes. The five-day competition took place between 15 and 19 July at the Estadio Olímpico Pascual Guerrero stadium in Cali, Colombia. Eligible athletes were aged 16 or 17 on 31 December 2015.

The 2013 World Youth Championships in Athletics was the eighth edition of the biennial international athletics competition for youth (under-18) athletes. The five-day competition took place between 10 and 14 July at the RSC Olimpiyskiy stadium in Donetsk, Ukraine.