5 July 2012 Last updated at 08:53

Jessica Ennis behind the scenes: Winter 2011

Go behind the scenes training with Jessica Ennis, star Team GB heptathlete, in the first of a new four-part series on the BBC Sport website.

In part one, join Ennis during winter training ahead of the 2012 season. Explore the dynamic between the 26-year-old and her coach, Toni Minichiello, as they prepare for their home Olympic year.

Produced by BBC Yorkshire.