If Derval O’Rourke runs like she is capable of running she will make tonight’s final of the women’s 100m hurdles at the Olympic Stadium, according to her coach Sean Cahill.

Derval O'Rourke has qualified for the semi-finals of the Women's 100m hurdles with a season's best time of 12.91 seconds.

Derval O’Rourke begins her London 2012 campaign at the Olympic Stadium this morning when she competes in the first round of the 100m hurdles.