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Brittany Runs A Marathon (2019) Plot Summary & Timeline

Brittany Runs A Marathon (2019) movie poster

Brittany Runs A Marathon is a 2019 drama and comedy film directed by Paul Downs Colaizzo, running 1 hour 44 minutes. This page retells the whole story in 630 words (about 3 minutes to read) and covers 15 key events in order, 4 characters, where and when it is set and 3 themes. Looking for the cast, ratings and where to stream it? See the movie page for Brittany Runs A Marathon.

to read the plot summary
3 min
key events in the timeline
15
characters profiled
4
themes explained
3
Brittany Runs A Marathon (2019) movie poster
Released
Runtime
1h 44m
Genres
Drama, Comedy
Original language
English
No spoilers

What Is Brittany Runs A Marathon About?

The premise of Brittany Runs A Marathon in 309 words, with nothing given away. The full story follows below.

In the restless rhythm of New York City, Brittany Forgler drifts through a life of late‑night parties, a dead‑end greeter job at an off‑Broadway theater, and the comfortable chaos of sharing an apartment with her ambitious roommate, Gretchen. The city’s bright lights mask her inner disquiet: weight‑related health concerns, a dependence on prescription stimulants, and relationships that feel more hollow than fulfilling. The tone balances sharp comedy with a sincere, almost tender observation of how modern adulthood can feel both limitless and constrained.

A routine doctor’s appointment forces Brittany to confront a stark medical reality, planting a seed of urgency that she cannot ignore. While grappling with her own self‑image, she encounters Catherine, a poised neighbor whose seemingly flawless existence carries its own hidden struggles. Their chance meeting sparks an unlikely friendship that nudges Brittany toward a surprising new goal—training for a marathon. This pivot introduces a fresh lens on the city: streets that once served as a backdrop for escapism now become a testing ground for endurance, discipline, and self‑respect.

Around her, a colorful cast adds texture to her world. Seth, a fellow runner with a wry sense of humor, shares the same aspirations, while Jern, a quirky pet‑sitting gig partner, offers quirky encouragement and an alternative view of what it means to care for another being. Their interactions infuse the story with warmth, humor, and a sense of communal effort, turning the solitary act of running into a shared, uplifting experience.

The film paints a portrait of a young woman at the crossroads of complacency and transformation, set against a vibrant urban backdrop that feels both wildly hectic and intimately personal. With a blend of humor, heart, and the pulse of the city, Brittany Runs A Marathon invites viewers to wonder how far one can go when the desire to change outweighs the inertia of everyday life.

Full plot

What Happens in Brittany Runs A Marathon?

The complete story of Brittany Runs A Marathon, from the first scene to the last, in 630 words (about 3 minutes). Spoilers throughout. Names in the text link to 7 cast member pages.

Spoilers ahead

Brittany Forgler, portrayed by Jillian Bell, is a spirited 28-year-old navigating life in the vibrant city of New York, sharing an apartment with her ambitious roommate, Gretchen, played by Alice Lee. Dreaming of social media stardom, Gretchen constantly creates Instagram videos, asserting that anyone can live a lavish lifestyle regardless of their circumstances, and hopes her content will eventually go viral.

Meanwhile, Brittany juggles her role as a greeter at an off-Broadway theater, embodying the life of a party girl. Unfortunately, her struggles with weight and Adderall abuse come into sharp focus when her boss, Jennifer Dundas, who plays Shannon, expresses frustration over Brittany’s tardiness, which forces her to double up on responsibilities.

In search of a prescription for Adderall, Brittany consults Patch Darragh who portrays Doctor Falloway. The visit takes an unexpected turn when he informs her that to improve her health, she must shed some pounds—between 45 to 55 to be precise. As she learns that her BMI is 32, the need for a lifestyle change becomes glaringly obvious.

Inspired by a fit neighbor named Martha, Brittany attempts to join a gym, but soon realizes the membership fee is far beyond her reach, forcing her to hit the pavement instead. Nervous about her running journey, she bravely sets out and manages to run one block. This leads her to an unexpected camaraderie with Michaela Watkins, who plays Catherine, a woman Brittany initially resents for her seemingly flawless existence. However, their interactions reveal that Catherine has her own demons, having battled heroin addiction at a young age.

As Brittany dives headfirst into a night full of debauchery with Gretchen, she eventually joins the running group, where she meets Seth, played by Micah Stock. Learning that they share similar health goals, Brittany’s commitment to weight loss solidifies following a successful group run. With her ultimate aim set on participating in the prestigious New York City Marathon, she and her newfound friends bond over this shared ambition.

Catherine reveals that she had trained for the marathon years prior but was sidetracked by an unexpected pregnancy, while Seth amusingly relays tales about the struggles runners face, including one particularly unfortunate misadventure involving his cousin. As a previous participant, Catherine has a guaranteed spot, prompting Brittany and Seth to try their luck in the marathon lottery.

In her pursuit of fitness, Brittany takes on a second job as a pet sitter, where she crosses paths with Utkarsh Ambudkar as Jern, who becomes an unexpected ally in her transformation journey. However, her shifting lifestyle strains her friendship with Gretchen, ultimately leading Brittany to move in with Jern.

As Brittany inches closer to her weight loss goal, obstacles start to mount. She faces disappointment when she is unable to secure a marathon spot through the lottery, and when Catherine offers to donate for her entry, pride prevents Brittany from accepting. This setback sends her spiraling back into old habits, exacerbated by a painful injury that threatens her running future.

Despite the challenges, Brittany’s journey brings her closer to her roots as she visits her sister, Cici, portrayed by Kate Arrington. Demetrius, who serves as a father figure, helps her regain perspective, leading to her eventual return to New York and a renewed commitment to health.

Fast forward a year, and Brittany finds herself at the starting line of the marathon. As she pushes through the grueling course, she encounters encouraging faces, including Seth, Catherine, and Jern, who professes his love for her. This surge of support propels Brittany past her physical limits, allowing her to cross the finish line.

Now living with Jern, Brittany enjoys a blossoming relationship but grapples with the idea of commitment. With a kiss, she embarks on another run, illustrating her journey of self-discovery and the strength she’s gained through resilience.

Timeline

Brittany Runs A Marathon Timeline: Every Key Event in Order

15 key events in the order they happen, from “Introduction to Brittany” to “Embracing Change”. 6 events name a place, across 5 locations.

  1. 1

    Introduction to Brittany

    Brittany Forgler is introduced as a spirited 28-year-old navigating her life in New York City. She shares an apartment with her ambitious roommate, Gretchen, who dreams of social media stardom and frequently creates Instagram videos.

    Where:New York City

  2. 2

    Brittany's Job and Struggles

    Brittany works as a greeter at an off-Broadway theater but struggles with punctuality due to her weight issues and Adderall abuse. Her boss, Jennifer, expresses frustration over Brittany's tardiness, adding more pressure on her already challenging life.

    Where:Off-Broadway Theater

  3. 3

    Visit to Doctor Falloway

    In search of a prescription for Adderall, Brittany consults Doctor Falloway. During the visit, he informs her that she must lose a significant amount of weight to improve her health, which sets the stage for her transformation.

  4. 4

    Inspirational Neighbor

    Inspired by her fit neighbor, Martha, Brittany decides to get fit, but learns that the gym membership is too expensive for her budget. This leads her to start running outside.

    Where:New York City

  5. 5

    First Running Attempt

    Brittany nervously embarks on her running journey, beginning with just one block. This small victory ignites a sense of possibility as she develops a budding friendship with Catherine, a woman she initially resented.

    Where:City Streets

  6. 6

    Bonding with Catherine

    Brittany and Catherine form an unexpected bond as they share life struggles, revealing Catherine's history of addiction. Their camaraderie deepens as they discuss their aspirations and the challenges they face.

  7. 7

    Joining the Running Group

    After a night of partying, Brittany joins a running group where she meets Seth. As they bond over their similar health goals, Brittany becomes more dedicated to her weight loss journey and the idea of running the New York City Marathon.

  8. 8

    Marathon Dreams

    During training, Catherine shares her past experiences with marathons, highlighting her interrupted journey due to unexpected life changes. Inspired, Brittany and Seth decide to enter the marathon lottery for a chance to run.

  9. 9

    Second Job and Strains

    To support her goals, Brittany takes on a second job as a pet sitter, meeting Jern who becomes an ally in her transformation. However, her new lifestyle begins to create friction with her old friend, Gretchen.

  10. 10

    Setbacks

    Brittany faces disappointment when she does not secure a marathon spot through the lottery and refuses to accept help from Catherine. This setback leads her to relapse into old habits, further exacerbated by an injury.

Show the other 5 events of Brittany Runs A Marathon
  1. 11

    Family Visit and Reflection

    Feeling lost, Brittany visits her sister, Cici, where she receives guidance and support from Demetrius. This visit helps her regain perspective and refocus on her health commitments.

    Where:Cici's Home

  2. 12

    Marathon Day

    A year later, Brittany finds herself at the starting line of the New York City Marathon. With the support of Jern, Seth, and Catherine, she feels empowered to push through the grueling race.

  3. 13

    Crossing the Finish Line

    As Brittany runs the marathon, she encounters familiar faces cheering her on, which gives her a much-needed boost. The sense of community and support helps her find the strength to finish the race.

    Where:New York City Marathon Course

  4. 14

    New Beginnings

    Having completed the marathon, Brittany's life undergoes a transformation. Now living with Jern, their relationship blossoms, yet she struggles with the concept of commitment and self-discovery.

  5. 15

    Embracing Change

    The film closes with Brittany taking another run, symbolizing her ongoing journey of growth. The kiss shared with Jern signifies her willingness to embrace love and new challenges.

Characters

Who Are the Main Characters in Brittany Runs A Marathon?

4 characters, among them Brittany Forgler, Gretchen and Catherine: who each one is and the part they play in the story. Every profile links to the actor’s page.

  • Jillian Bell as Brittany Forgler in Brittany Runs A Marathon

    Brittany Forgler

    Played by Jillian Bell

    Brittany, portrayed by Jillian Bell, is a spirited and relatable character navigating the pressures of life while confronting her struggles with body image and addiction. Her determined but tumultuous journey toward health and self-acceptance showcases her strength and vulnerability.

    • 👩‍🎤 Protagonist
    • 💪 Determined
    • 🛤️ Transformative Journey
  • Alice Lee as Gretchen in Brittany Runs A Marathon

    Gretchen

    Played by Alice Lee

    Gretchen, played by Alice Lee, is Brittany's ambitious roommate who dreams of social media stardom. Her attempts to present an idealized life often clash with Brittany’s reality, creating a dynamic that explores the complexities of friendship and ambition.

    • 📸 Ambitious
    • 🏙️ Influencer
  • Michaela Watkins as Catherine in Brittany Runs A Marathon

    Catherine

    Played by Michaela Watkins

    Catherine, portrayed by Michaela Watkins, is a complex character who initially seems to have a perfect life but reveals her struggles with addiction. Her friendship with Brittany adds depth to the story, highlighting that everyone faces their own battles.

    • 💔 Resilient
    • 🌸 Empathetic
  • Utkarsh Ambudkar as Jern in Brittany Runs A Marathon

    Jern

    Played by Utkarsh Ambudkar

    Jern, played by Utkarsh Ambudkar, becomes an unexpected ally in Brittany's weight loss journey. His support and friendship foster Brittany's growth, adding a layer of unexpected romance and humor to her transformation.

    • 👨‍❤️‍👩 Supportive
    • 🌈 Romantic Interest
Setting

Where and When Is Brittany Runs A Marathon Set?

Brittany Runs A Marathon is set in New York. Here is why the place matters to the story.

When

The movie takes place in contemporary times, capturing the essence of modern urban life. This period is characterized by a focus on health, fitness, and the impact of social media on personal goals and self-esteem.

Where

New York

New York is a vibrant, dynamic city known for its iconic skyline, cultural landmarks, and as a melting pot of diverse cultures. It offers a unique atmosphere filled with energy, creativity, and ambition, making it a perfect backdrop for stories of personal transformation and aspiration.

  • 🌆 City
  • 🏙️ Urban Life
Themes

What Are the Themes of Brittany Runs A Marathon?

3 ideas the story keeps returning to, among them Personal Growth, Friendship and Struggle.

  1. 01

    Personal Growth

    The theme of personal growth is central to Brittany's journey as she faces her self-image and takes proactive steps towards a healthier lifestyle. Her story illustrates the struggles and triumphs of self-discovery and the importance of resilience in overcoming obstacles.

  2. 02

    Friendship

    Friendship plays a crucial role in Brittany’s transformation. As she forms meaningful connections with characters like Seth and Catherine, these relationships provide the support and motivation she needs to pursue her goals, highlighting the impact of community on individual journeys.

  3. 03

    Struggle

    Brittany's struggles with weight, addiction, and maintaining relationships reflect the challenges many face in their quest for self-improvement. This theme delves into the emotional and mental hurdles that can accompany personal change.

Tone & mood

What Kind of Film Is Brittany Runs A Marathon?

Hopeful in tone, with steady pacing and a straightforward story, going by the plot summary.

Tone
Hopeful
Pacing
Steady
Story
Straightforward
Intensity
Medium
Ending
Happy

An uplifting and relatable journey of self-improvement that balances the frustrating struggles of weight loss, addiction, and fractured friendships with the empowering feeling of gradual progress and hard-won achievement.

  • uplifting
  • relatable
  • inspiring
  • frustrating
  • empowering
  • reflective
  • personal transformation
  • health and wellness
  • addiction recovery
  • friendship strain

Content notes: substance abuse, body image issues.

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Where to watch

Where to Watch Brittany Runs A Marathon

Stream it on Amazon MX Player and Amazon Prime Video. US availability and prices from JustWatch.

Streaming availability in the US, powered by JustWatch logo

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3 films close to Brittany Runs A Marathon in story and themes that have a full plot summary here: Running (1979), Run, Fatboy, Run (2008) and Stronger (2017).

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FAQ

Brittany Runs A Marathon Plot Questions

5 quick answers about Brittany Runs A Marathon, taken from the plot summary, character guide and setting on this page and the film’s credits.

What is Brittany Runs A Marathon about?

In the restless rhythm of New York City, Brittany Forgler drifts through a life of late‑night parties, a dead‑end greeter job at an off‑Broadway theater, and the comfortable chaos of sharing an apartment with her ambitious roommate, Gretchen.

Read the full plot summary

When and where does Brittany Runs A Marathon take place?

Brittany Runs A Marathon is set in New York. The movie takes place in contemporary times, capturing the essence of modern urban life. This period is characterized by a focus on health, fitness, and the impact of social media on personal goals and self-esteem.

The setting explained

Who are the main characters in Brittany Runs A Marathon?

The story follows Brittany Forgler (played by Jillian Bell), Gretchen (played by Alice Lee), Catherine (played by Michaela Watkins) and Jern (played by Utkarsh Ambudkar).

All the characters

What are the main themes of Brittany Runs A Marathon?

The summary picks out 3 themes: Personal Growth, Friendship and Struggle.

The themes explained

Who directed Brittany Runs A Marathon?

Brittany Runs A Marathon (2019) was directed by Paul Downs Colaizzo and runs 1 hour 44 minutes.

Paul Downs Colaizzo’s films

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