CANASTOTA, NEW YORK - JUNE 8: Actress Sydney Sweeney and Christy Martin visit the International Boxing Hall of Fame before the Parade of Champions on June 8, 2025 in Canastota, New York. (Photo by Ed Mulholland/Getty Images)
Sydney Sweeney, known for her role in “Euphoria,” has unveiled the intense physical transformation she underwent to portray legendary boxer Christy Martin. In a revealing interview with W Magazine, Sweeney discussed the rigorous training regimen that led to her gaining over 30 pounds to authentically embody the boxing icon.
During the three and a half months of preparation, Sweeney adhered to a demanding schedule. “I started eating. I weight-trained in the morning for an hour, kickboxed midday for about two hours, and then weight-trained again at night for an hour,” she explained. This intense routine not only altered her physique but also her clothing size. “I’m usually a size 23 in jeans, and I was wearing a size 27,” Sweeney noted, adding, “My boobs got bigger. And my butt got huge. It was crazy! I was like, ‘Oh my God.’”
The Journey to Becoming Christy Martin
Sweeney’s transformation is more than just physical; it represents a deep dive into the life of a woman who has been a trailblazer in women’s boxing. Christy Martin, who began her career in 1989, is celebrated as one of the most prolific female boxers. Her career highlights include winning the WBC female super welterweight world champion title in 2009 and being the only female boxer to grace the cover of Sports Illustrated.
Despite the physical challenges, Sweeney embraced the changes. “It was amazing: I was so strong, like crazy strong,” she said, reflecting on her newfound strength. Her commitment to the role underscores the dedication required to portray a figure of Martin’s stature.
Christy Martin: A Story of Resilience
The biopic not only focuses on Martin’s achievements in the ring but also delves into her personal struggles. In 2010, Martin survived a harrowing murder attempt by her husband, Jim Martin, who was later sentenced to 25 years in prison. This incident is a testament to her resilience and fighting spirit, themes that are central to the upcoming film.
“Over the past few months, I’ve been immersed in training to bring to life the story of an incredible woman — a true champion who fought battles both inside and outside the ring,” Sweeney wrote on Instagram. “Her journey is a testament to resilience, strength, and hope, and I’m honored to step into her shoes to share her powerful story with you all.”
The Impact of Physical Transformation in Acting
Sweeney’s transformation is part of a broader trend in Hollywood, where actors undergo significant physical changes to accurately portray their characters. This commitment to authenticity can enhance the storytelling experience, providing audiences with a more believable and immersive portrayal.
According to film critic Laura Simmons, “Physical transformation can be a powerful tool in an actor’s arsenal. It allows them to fully inhabit their character’s world, offering a level of depth and realism that resonates with audiences.”
Looking Ahead: The Biopic’s Anticipation
The announcement of Sweeney’s role in the biopic has generated significant buzz, with fans eagerly awaiting her portrayal of Martin. The film promises to highlight not only the triumphs but also the trials of Martin’s life, offering a nuanced look at her legacy.
As the film progresses, Sweeney’s dedication to the role serves as a reminder of the lengths actors go to bring compelling stories to the screen. Her transformation is not just a testament to her commitment but also a tribute to Christy Martin’s enduring impact on the world of boxing.
With filming underway, audiences can look forward to a powerful narrative that celebrates resilience and strength, hallmarks of both Sweeney’s journey and Martin’s storied career.
