# 2010 World Junior Championships in Athletics – men's 400 metres
**Wikidata**: [Q20717378](https://www.wikidata.org/wiki/Q20717378)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/2010_World_Junior_Championships_in_Athletics_–_Men's_400_metres)  
**Source**: https://4ort.xyz/entity/2010-world-junior-championships-in-athletics-men-s-400-metres