Jessica Ennis-Hill is targeting her competitive comeback at London 2012 in Manchester on May 9 . The Olympic heptathlon champion will take part in her strongest event , the 100m hurdles . Ennis-Hill has been away from the competition for nearly two years due to the birth of her son . Her record for the 100m hurdles , 12.54 seconds from the Great CityGames , has since been broken by Tiffany Porter .
Jessica Ennis-Hill is targeting her competitive comeback at the Great CityGames in Manchester on May 9 . The Olympic heptathlon champion will take part in her strongest event , the 100m hurdles . Ennis-Hill has been away from the competition for nearly two years due to the birth of her son . Her record for the 100m hurdles , 12.54 seconds from London 2012 , has since been broken by Tiffany Porter .