2012 World Junior Championships in Athletics – Women's 100 metres

The women's 100 metres at the 2012 World Junior Championships in Athletics will be held at the Estadi Olímpic Lluís Companys on 10 and 11 July.

[1][2][3] Reigning champion Jodie Williams was eligible to defend her 2010 title, but did not compete.

Prior to the competition[update], the existing world junior and championship records were as follows.

Qualification: The first 3 of each heat (Q) and the 3 fastest times (q) qualified Qualification: The first 2 of each heat (Q) and the 2 fastest times (q) qualified Wind: +1.7 m/s According to an unofficial count, 47 athletes from 35 countries participated in the event.