2010 European Athletics Championships – Women's 400 metres hurdles

The women's 400 metres hurdles at the 2010 European Athletics Championships was held at the Estadi Olímpic Lluís Companys on 27, 28 and 30 July.

Round 1
First 3 in each heat and 4 best performers advance to the Semifinals.

Semifinals
First 3 in each heat and 2 best performers advance to the Final.