Brittany Runs a Marathon poster
Where to stream

Brittany Runs a Marathon

6.620191h 43m15MovieComedyDrama

Hilarious and outgoing, Brittany Forgler, is everybody’s best friend ― except her own. Her partying, underemployment and toxic relationships are catching up with her. She receives a startling wake-up call when a visit to the doctor reveals…

DirectorPaul Downs Colaizzo
WriterPaul Downs Colaizzo
ProducersMargot Hand·Matthew Plouffe

Where to watch

Amazon Prime VideoAmazon Prime VideoAmazon Prime Video with AdsAmazon Prime Video with Ads
Availability shown for United Kingdom · rights vary by country

Cast · Directed by Paul Downs Colaizzo

JBJillian Bell
Jillian Bell
Brittany Forgler
MWMichaela Watkins
Michaela Watkins
Catherine
UAUtkarsh Ambudkar
Utkarsh Ambudkar
Jern Dahn
LHLil Rel Howery
Lil Rel Howery
Demetrius
MSMicah Stock
Micah Stock
Seth
ALAlice Lee
Alice Lee
Gretchen
PDPatch Darragh
Patch Darragh
Doctor Falloway
PVPeter Vack
Peter Vack
Ryan
KAKate Arrington
Kate Arrington
CiCi Forgler
JHJuri Henley-Cohn
Juri Henley-Cohn
David
ASAdam Sietz
Adam Sietz
Glenn
MDMikey Day
Mikey Day
Dev

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Brittany Runs a Marathon — streaming FAQ

Which OTT platform streams Brittany Runs a Marathon?

Brittany Runs a Marathon is streaming on Amazon Prime Video in United Kingdom. It's not currently on Netflix.

Is Brittany Runs a Marathon on Netflix?

No, Brittany Runs a Marathon is not on Netflix in United Kingdom as of September 2026. It's currently on Amazon Prime Video.

Is Brittany Runs a Marathon on Amazon Prime Video?

Yes — Brittany Runs a Marathon is included with an Amazon Prime Video subscription in United Kingdom as of September 2026.

Where can I watch Brittany Runs a Marathon for free?

Brittany Runs a Marathon is available on Amazon Prime Video in United Kingdom, but you'll need an active subscription — there's no free option right now.

Is Brittany Runs a Marathon based on a true story?

Yes — Brittany Runs a Marathon is based on true events, dramatising real people and events (some details may be fictionalised for the screen).