The Biggest Loser · SEASON 9
Season 9, Episode 18
Episode 18 · 2010-05-18

- Reality
Episode overview
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.
90 minutes
Season 9 episodes
1. Week One2010-01-05
2. The Biggest Loser Season 9 - Week Two2010-01-12
3. Week 32010-01-19
4. Season 9, Episode 42010-01-26
5. Season 9, Episode 52010-02-02
6. Season 9, Episode 62010-02-09
7. Season 9, Episode 72010-03-02
8. Season 9, Episode 82010-03-09
9. Season 9, Episode 92010-03-16
10. Week 102010-03-23
11. Season 9, Episode 112010-03-30
12. Week 122010-04-06
13. Season 9, Episode 132010-04-13
14. Season 9, Episode 142010-04-20
15. Season 9, Episode 152010-04-27
16. Season 9, Episode 162010-05-04
17. Season 9, Episode 172010-05-11
18. Season 9, Episode 182010-05-18
19. Season 9 Finale2010-05-25