During the countdown to the BBC Sports Personality of the Year on Sunday, 20 December, we will be looking at each of the 12 contenders shortlisted for the award.
Swimmer Adam Peaty won two individual world titles this year, and set a world record in winning the 100m breaststroke at the British Swimming Championships in April.
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. Find out how here.