Season 7 Episodes21
Cast3

Bob Harper
Self

Alison Sweeney
Self - Host

Jillian Michaels
Self
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Ranked #8 of 19 in Season 7•+0.2 vs season avg
The final four contestants go home for 30 days, reunite with friends and family and experience firsthand the challenge of continuing to make diet and exercise a priority back at home. Contestants also learn from host Alison Sweeney what their final challenge of the season

Bob Harper
Self

Alison Sweeney
Self - Host

Jillian Michaels
Self
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Share your take and reply to other fans.
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"Running a Full Marathon!" is episode 19 of The Biggest Loser season 7. It scored 7.1/10 from 13 votes, ranking #8 of 19 episodes this season (season average 6.9). It aired on May 5, 2009.