The Biggest Loser - Season 9 - Eps 18: Season 9, Episode 18
The players train for a marathon at home and must work to stay on track while away from the ranch. During the race, the contestants receive support from former players and family members. Later, Bob and Jillian hold last-chance workouts before the weigh-in, which determines who's moving on to the final round.
About The Biggest Loser

Title: The Biggest Loser
First Air Date: 2004-10-19
Last Air Date: 2020-03-31
Status: Ended
Rating: 5.5/10 (from 27 votes)
Language: EN
Seasons: 19
Total Episodes: 263
Network: NBC
Genres: Reality
Production Companies: 25/7 Productions
Synopsis
The Biggest Loser features obese people competing to win a cash prize by losing the highest percentage of weight relative to their initial weight.
Cast

Erica Lugo
Trainer

Steve Cook
Trainer

Bob Harper
Host