Traditionally a tough event for Jessica, she finished 9th overall in London, though comparisons with her scores before having her first child are unfair, according to her coach Toni Minichiello. Find out how Jess scored.
A throw of 13.86m in the shot put gave Jess another 785 points to her tally.
Next up – 200m. Catch it live on BBC One – Jess races in Heat 4 at 02:26 (that’s Saturday morning UK time!)
Watch our video from way back in 2008. Jessica tells us about a niggling injury that turns out to be her worst nightmare, ending any chance of competing in Beijing.