"Brittany Runs a Marathon" is a 2019 comedy-drama film directed by Paul Downs Colaizzo. The story follows Brittany Forgler, a woman in her 30s who decides to change her life by training for the New York City Marathon. Struggling with her weight and personal challenges, she embarks on a journey of self-discovery and transformation. The film explores themes of friendship, perseverance, and self-acceptance. As Brittany trains, she forms connections with fellow runners, including Jern and Cynthia, who support her through the ups and downs of her journey. Ultimately, it highlights the importance of community and resilience in achieving personal goals.