On the shelf
Brittany Runs a Marathon
2019Age guide: 16+
Where to watch
- United StatesAmazon Prime Video · Amazon MX Player
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Checked 11 Nov 2026 · Data: JustWatch
See it on the shelfHilarious and outgoing, Brittany Forgler, is everybody’s best friend ― except her own. Her partying, underemployment and toxic relationships are catching up with her.…
★ 6.6/10 · 520 TMDB audience ratings
Starring
Jillian BellBrittany Forgler
Michaela WatkinsCatherine
Utkarsh AmbudkarJern Dahn
Lil Rel HoweryDemetrius
Micah StockSeth
Alice LeeGretchen
Patch DarraghDoctor Falloway
Peter VackRyan
Audience reviews from TMDB · may contain spoilers
SWITCH.: While ‘Brittany Runs a Marathon’ is about weight loss, it never feels pandering or forced. Instead, it comes across as extremely realistic and… Read full review
Rodney Wollam: Brittany gets it right - that feeling you have in the pit of your stomach when you push away everyone who cares about… Read full review