
Sylwia Szostak is a well-known Polish fitness influencer, trainer, and media personality. Born on 25 November 1988, she has built her career around health, fitness, and lifestyle. Over the years, she has become a familiar name in Poland and beyond, thanks to her strong presence on social media and her appearances on television. As of January 2026, she continues to inspire thousands of followers with her fitness routines, motivational posts, and her unique way of combining fashion with exercise.
Her journey is about showing people how to live a balanced life. Sylwia has always believed that fitness is not only about looking good but also about feeling strong and confident. This belief has helped her connect with her audience in a very human way. She shares her life openly, whether it is about her marriage to MMA fighter Akop Szostak or her experiences in the entertainment industry.
Sylwia Szostak Partner, Height, Age, Biography, Family
| Attribute | Details |
|---|---|
| Full Name | Sylwia Szostak |
| Date of Birth | 25 November 1988 |
| Age (as of Jan 2026) | 37 years old |
| Birthplace | Poland |
| Nationality | Polish |
| Height | Approx. 5 ft 7 in (170 cm) |
| Profession | Fitness Influencer, Trainer, Model, Media Personality |
| Known For | Fitness content on Instagram, YouTube collaborations, TV appearances |
| Instagram Handle | @sylviafitness |
| @SylwiaSzostaktrainer/ | |
| YouTube Channel | @szostaktv/ |
| Television Shows | Agent: Gwiazdy (2016), Good Luck Guys Poland (2024) |
| Partner/Spouse | Akop Szostak (MMA fighter and fitness trainer) |
| Net Worth (2026) | Approx. $1 million USD |
| Zodiac Sign | Sagittarius |
| Hobbies | Fitness, Fashion, Travel, Lifestyle blogging |

Early Life and Background
On 25 November 1988, Sylwia was born in Poland and grew up with a love for sports. From a young age, she showed interest in physical activities and was known for her energy and enthusiasm. Before becoming a fitness trainer, she was active as a cheerleader and even won championships in Poland. This early exposure to sports gave her the discipline and confidence that later shaped her career.
Her childhood was marked by a strong focus on self-improvement. She was not only interested in fitness but also in building a lifestyle that combined health and happiness. Unlike many influencers who enter the fitness world later in life, Sylwia’s journey started early. She understood the importance of exercise and nutrition, and this understanding became the foundation of her career.
Physical Appearance and Fitness Persona
Sylwia is admired for her athletic build and striking presence. Standing tall with a strong physique, she represents the modern image of a fitness influencer who values strength as much as beauty. As per the sources, Sylwia’s height is 5 feet 7 inches, and her weight is around 58 kg.

Her fitness persona is not about extreme workouts or unrealistic goals. Instead, she promotes a balanced approach where exercise, diet, and mental health go hand in hand. She often shares workout routines that are practical and easy to follow, making her relatable to everyday people.
Career Beginnings: From YouTube to Instagram Fame
Sylwia Szostak’s career in fitness began with a simple idea: to share her passion for exercise and healthy living with others. In the mid-2010s, she and her husband, Akop Szostak, started posting workout videos and lifestyle content on YouTube. Their channel quickly attracted attention because it combined professional fitness routines with a warm, relatable style. People enjoyed watching them train together, and the couple’s chemistry made their videos engaging.
By 2015, Sylwia had already built a reputation as a fitness trainer. Her videos were not only about lifting weights or doing cardio; they were about showing how fitness could be part of everyday life. She explained exercises in simple terms, making them easy for beginners to follow. This approach helped her stand out in a crowded fitness market. Many viewers felt that she was not just teaching but also motivating them to believe in themselves.

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Social Media Presence and Influence
Szostak’s social media presence is one of the strongest aspects of her career. Her Instagram handle, @sylviafitness, has become a hub for fitness lovers. She posts workout routines, diet tips, and motivational messages. Her content is not limited to fitness; she also shares fashion looks, travel experiences, and personal moments. This mix of content makes her relatable to a wide audience.
Her Facebook page also plays an important role. On Facebook, she shares longer posts, fitness advice, and interacts with her community. Many people follow her there to get updates about her training programs and events. She uses social media not only to promote herself but also to build a supportive community.
Television and Media Appearances
Szostak’s popularity on social media opened doors to television. In 2016, she appeared on the Polish reality show “Agent: Gwiazdy”, which gave her national exposure. The show allowed viewers to see her personality outside the gym. She came across as confident, disciplined, and fun, which helped her gain new fans.

In 2024, she returned to television with “Good Luck Guys Poland”, another reality program. This appearance showed that she was not only a fitness trainer but also a media personality who could entertain audiences. Her presence on TV helped her reach people who might not follow fitness influencers online.
Personal Life: Partner and Family
Szostak’s personal life is closely tied to her career. Sylwia is married to Akop Szostak, a professional MMA fighter and fitness trainer. The couple is well-known in Poland for their joint fitness journey. They often train together and share their experiences with fans. Their relationship is seen as a partnership built on mutual respect and shared goals.
Together, they have built a brand that combines fitness, motivation, and lifestyle. Their YouTube channel and social media posts often feature them working out side by side. This teamwork has made them popular among couples who want to train together.

Net Worth and Financial Success
Sylwia has built a successful career that goes beyond fitness training. As of January 2026, Szostak’s estimated net worth is around 1 million USD. This figure reflects her diverse income sources, including social media partnerships, brand endorsements, fitness programs, and television appearances.
Her financial journey shows how influencers can turn passion into a profession. By consistently creating content and engaging with her audience, Sylwia has attracted collaborations with fitness and lifestyle brands. These partnerships not only add to her income but also strengthen her credibility in the industry.
Interesting Facts About Sylwia Szostak
- She was born under the zodiac sign Sagittarius, known for energy and optimism.
- Sylwia is a fan of fitness model Emily Skye, who inspires her training style.
- Her joint YouTube channel with Akop Szostak has more than 80,000 subscribers.
- She started her career as a cheerleader and won championships in Poland.
- She combines fitness with fashion, making her content unique and stylish.
- She has appeared in Polish reality shows, including “Agent: Gwiazdy” (2016) and “Good Luck Guys Poland” (2024).
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