JESSICA ENNIS-HILL is the favourite to retain her Olympic heptathlon gold, according to Denise Lewis.
Ennis-Hill completed her first heptathlon since her World Championship gold, scoring 6733 points at the IAAF Combined Events Challenge in Ratingen, Germany – 64 points better than last year in Beijing.
Jessica Ennis-Hill: produced a convincing performance in Ratingen
GLADYS CHAI