# 2011 World Youth Championships in Athletics – boys' 400 metres hurdles
**Wikidata**: [Q4623070](https://www.wikidata.org/wiki/Q4623070)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/2011_World_Youth_Championships_in_Athletics_–_Boys'_400_metres_hurdles)  
**Source**: https://4ort.xyz/entity/2011-world-youth-championships-in-athletics-boys-400-metres-hurdles