Ennis off to flying start in Heptathlon

Jessica Ennis of Great Britain and Sara Aerts of Belgium compete in the Women's Heptathlon 100m Hurdles

Jessica Ennis of Great Britain and Sara Aerts of Belgium compete in the women's Heptathlon 100m Hurdles Heat 1 on Day 7 of the London 2012 Olympic Games.

The first event, the 100m hurdles, got under way shortly after 10am, with Ennismaking her Olympic debut in the fifth and final heat.

The 26-year-old, who missed the Beijing Games after suffering a career-threatening foot injury, considers the hurdles her strongest event and is also entered for the individual event in London.

She broke the British record and smashed her personal best with a time of 12.54 that left the Sheffield athlete shaking her head in disbelief.

The time was 0.02 quicker than the previous national record set by hurdles specialist Tiffany Porter, and gave Ennis 1,195 points for a lead of 17 from Canada'sJessica Zelinka.