During the countdown to the BBC Sports Personality of the Year award on Sunday, 20 December, we will be looking at each of the 12 shortlisted contenders.
Jessica Ennis-Hill claimed her second world heptathlon title in August, only 13 months after giving birth to her son.
You can vote for this year's BBC Sports Personality of the Year during the BBC One show on Sunday, 20 December, either by phone or online.
If you vote online you must register to have your say on 20 December. Find out how here.