IMDb 6.5 2007 HD

Run Fatboy Run

Run Fatboy Run

2007
Comedy Romance
100 min PG-13 USA
6.2 / 10
6.5 IMDB

Five years after jilting his pregnant fiancée on their wedding day, out-of-shape Dennis decides to run a marathon to win her back.

Personnel // Cast & Crew

Director David Schwimmer
Starring
Simon Pegg / Thandiwe Newton / Hank Azaria / Dylan Moran / Harish Patel / India de Beaufort / Matthew Fenton / Simon Day

How Viewers Describe This Film

Common themes and sentiments

charming predictable funny predictable heartwarming light amusing earnest relatable flawed serviceable forgettable uplifting good-natured

Reviews

C
Chloe Davies
May 4, 2026
3.5 / 5
3.5

This British offering, 'Run Fatboy Run', is a surprisingly effective romantic comedy propelled by Simon Pegg’s engaging performance. Pegg’s Dennis is the relatable underdog, whose quixotic quest to run a marathon to win back his former love is…

O
Oliver Hayes
May 4, 2026
2.5 / 5
2.5

'Run Fatboy Run' offers a premise ripe for comedic exploration, but ultimately delivers a rather pedestrian experience. Simon Pegg throws himself into the role of Dennis, a man attempting an unlikely marathon comeback, but even his considerable charm…

I
Isabelle Dubois
May 4, 2026
4.0 / 5
4.0

Simon Pegg shines in 'Run Fatboy Run', a British comedy that successfully marries its earnest premise with genuinely funny moments. Pegg’s Dennis is a wonderfully flawed protagonist whose attempt to run a marathon to win back his fiancée…

M
Marcus Bellwether
May 4, 2026
3.0 / 5
3.0

In 'Run Fatboy Run', Simon Pegg commits to a role that requires more physical comedy than his usual fare. His portrayal of Dennis, a man attempting to reclaim his life by conquering a marathon, is endearing, though the…

E
Eleanor Vance
May 4, 2026
3.5 / 5
3.5

Simon Pegg laces up his trainers for 'Run Fatboy Run', a charming if somewhat predictable British comedy. Pegg is, as ever, a charismatic presence, imbuing Dennis with a relatable blend of hapless charm and earnest desperation. The plot,…

FAQs

The tone of 'Run Fatboy Run' is predominantly lighthearted and optimistic, despite the protagonist's initial failings. It’s a feel-good comedy that embraces the underdog narrative with warmth and a good dose of British humour. While Dennis faces significant personal and physical obstacles, the film maintains an encouraging spirit, focusing on the journey of self-improvement and the possibility of redemption. It aims to be both amusing and genuinely heartwarming.