Bob Harper and Dolvett Quince returned as trainers, while Jillian Michaels decided to leave the show.
There are two new trainers this season: Jessie Pavelka and Jennifer Widerstrom.
This season, the contestants are all former athletes including former National Football League players and Olympic Gold medalists.
This season was also the last to be hosted by Alison Sweeney, who left to focus on other projects.
Contestants are listed in reverse chronological order of elimination.