Mariah Morse is an American fitness coach and social media creator. She grew up in a small town in Pennsylvania. Mariah worked in healthcare before she turned to fitness full time. She now trains clients, shares workouts and posts high-protein recipes online. Many people first heard her name through her relationship with comedian Matt Rife. This guide covers her age, career, body stats, net worth and life today.

Mariah Morse Bio/Wiki

The table below gives you the key facts about Mariah Morse at a glance. Each detail is explained in more depth later in the article.

Detail	Information
Full Name	Mariah Morse
Instagram Handle	@mariahkay_12
Date of Birth	July 12, 1999
Age	27 years old
Zodiac Sign	Cancer
Birthplace	Coudersport, Pennsylvania, USA
Nationality	American
Education	Bachelor’s degree, Health Care Administration (2021)
University	Misericordia University, Pennsylvania
Profession	Fitness coach, personal trainer, nutrition coach, social media creator
Height	5 feet 6 inches (167 cm)
Weight	About 116 lbs (53 kg)
Pet	Siberian Husky named Kona
Known For	Fitness content, bodybuilding win, past relationship with Matt Rife
Estimated Net Worth	Between $100,000 and $300,000
Instagram Followers	More than 250,000

Who Is Mariah Morse?

Mariah Morse is a certified personal trainer and nutrition coach. She builds her brand around strength training, simple meals and steady habits. Her audience follows her for workout ideas, meal prep tips and honest talk about staying consistent.

She did not start in the fitness world. She studied healthcare administration and worked in medical settings first. That background shapes how she talks about health today. She keeps her advice practical and avoids extreme plans.

Her name reached a much wider audience in 2025. Fans of Matt Rife noticed her in his social posts. Many of them then found her fitness page and stayed for the content.

Mariah Morse Age and Birthday

Mariah Morse was born on July 12, 1999. She is 27 years old. Her birthday falls in the middle of summer, and her zodiac sign is Cancer.

Her birthday also played a part in her public story. She made a key social media moment happen around that date in 2025. Followers still link the two events together.

She belongs to the generation that grew up with social media. She posted online while she was still in college. That early habit helped her build an audience before she became a full-time coach.

Mariah Morse Early Life in Coudersport, Pennsylvania

Mariah grew up in Coudersport, a small rural town in Pennsylvania. The area sits among forests and hills. Outdoor life shaped her childhood and gave her a love for movement.

She has said little in public about her parents and siblings. Her family details stay mostly private. That choice fits the way she shares her life online. She posts about her work, her food and her hobbies, and she keeps family matters out of the spotlight.

Her small-town roots often come up in how people describe her. Fans call her grounded and down to earth. She does not lean on a flashy image.

Mariah Morse Education and Degree

Mariah attended Misericordia University in Dallas, Pennsylvania. She earned a Bachelor of Arts in Health Care Administration in 2021. The degree prepared her for work in hospitals and clinics.

She studied the business side of healthcare. Courses like that cover patient services, office systems and how medical teams run day to day. These skills still help her manage clients, schedules and online programs.

She kept posting on social media during her college years. She had a growing audience as a student. That gave her a head start when she moved into fitness full time.

Mariah Morse Career Before Fitness

Mariah began her career in healthcare. She worked as a chiropractic assistant intern. She also spent several months as a patient access representative in a hospital emergency room.

Those jobs put her in fast, high-pressure spaces. She helped patients check in and kept records in order. She saw how stress, poor sleep and low activity affect people’s health.

That experience pushed her toward prevention. She wanted to help people build healthy habits before problems start. Fitness gave her a way to do that every day.

How Mariah Morse Became a Fitness Coach

Mariah earned her personal trainer and nutrition coach certifications. She then moved from healthcare into coaching. She used her social media following to share workouts and meal ideas.

Mariah Morse works as a strength coach on the Sweat fitness app. Her programs focus on building muscle and learning proper form. She created a program called Grow and a home workout series called Sculpt at Home. Both let people train without a full gym.

She also partners with fitness and supplement brands. Her content stays simple and repeatable. Followers can copy her routines without special equipment or complex plans.

Mariah Morse Bodybuilding Achievements

Mariah competed in the bikini division of physique sport. In September 2025, she won the Bikini Overall title at the Summer Shredding Championship. That award is the top honor in the bikini classes at the event.

A win like that takes months of planning. Competitors lift heavy, track food closely and practice posing. They also manage sleep and recovery with care.

She has not announced whether she will compete again. She has not named her next stage date. For now, her main focus stays on coaching and creating content.

Mariah Morse Training Philosophy and Tips

Mariah rejects quick fixes. She promotes long-term habits over short crash plans. She says muscle building and steady effort beat extreme dieting.

Her approach gives you a clear plan to follow. Here are the core ideas she shares most often:

• Lift weights regularly. Strength training builds muscle and supports a strong body.
• Eat enough protein. She builds many meals around lean protein.
• Start small. Short, repeatable workouts beat long sessions you skip.
• Stay consistent. Progress comes from showing up week after week.
• Plan your meals. Prepping food ahead removes daily guesswork.
• Train at home when needed. A few dumbbells and a mat can carry a whole routine.

You can use this framework no matter your fitness level. Begin with three workouts a week. Add weight slowly as exercises feel easy.

Mariah Morse Height, Weight and Physique

Mariah stands 5 feet 6 inches tall, which is about 167 cm. She weighs roughly 116 lbs, or 53 kg. Her build comes from years of resistance training and careful nutrition.

Her physique reflects her sport. Bikini competitors build balanced shoulders, glutes and legs. Mariah trains for that look and for strength in daily life.

Body stats change with training cycles. Competitors often weigh differently on stage than in the off-season. These numbers give a general picture and can shift over time.

Mariah Morse Net Worth and Income

Mariah Morse has an estimated net worth between $100,000 and $300,000. She earns money from several streams. No public tax records or contract details exist, so this remains an estimate.

Her income comes from a mix of sources:

• Coaching work through the Sweat app
• Brand partnerships and sponsorships, including supplement deals
• Paid social media content
• Training programs and online coaching

Her income should grow as her audience grows. Fitness creators often add new products over time. Digital programs, meal guides and partnerships are common next steps.

Mariah Morse and Matt Rife: Relationship Timeline

Mariah and Matt Rife first drew attention in early 2025. Fans spotted them together around March. The pair made their relationship official on Instagram in the summer of 2025, near her birthday.

The couple split in early 2026. Neither of them has shared a detailed public reason. Both have kept the breakup private and respectful.

She has not confirmed a new relationship. Her current dating life is not publicly known. She focuses her posts on training, food and daily life.

Mariah Morse Lifestyle: Snowboarding, Cooking and Kona

Mariah loves winter sports. She skis and snowboards when she gets the chance. Mountain trips fit well with her active routine.

She also cooks often. High-protein meals appear all over her page. She shares simple recipes that fit a busy week.

Her Siberian Husky, Kona, is a regular guest in her posts. Fans know the dog by the nickname Koners. Kona joins her on walks, trips and everyday moments. Pet content gives her page a warm, personal feel.

Mariah Morse on Social Media

Mariah posts on Instagram under the handle @mariahkay_12. She has more than 250,000 followers there. Her feed mixes gym clips, meal ideas and lifestyle moments.

She started posting before her fitness career began. She even gained a following as a college student. That long history gives her page a natural, lived-in feel.

One reel in mid-2025 earned more than 2 million views. Viral clips like that brought new viewers to her page. Many stayed for her training tips and recipes.

Her style stays upbeat and relaxed. She talks to followers like friends. That tone helps her connect with people who feel new to fitness.

What the Public Still Does Not Know About Mariah Morse

Some details remain private. Mariah has not shared much about her family. She has not named her future competition plans. She also has not discussed her current relationship status.

Her exact income is unknown as well. The net worth range above is an estimate. If she shares more in the future, these details may become clearer.

Frequently Asked Questions

How old is Mariah Morse?

Mariah Morse is 27 years old, born on July 12, 1999.

Where is Mariah Morse from?

She comes from Coudersport, a small town in Pennsylvania.

What does Mariah Morse do for a living?

She works as a personal trainer, nutrition coach and fitness content creator.

What is Mariah Morse’s net worth?

Her estimated net worth falls between $100,000 and $300,000.

Is Mariah Morse still dating Matt Rife?

No, the couple split in early 2026.

Conclusion

Mariah Morse built her name through hard work, smart habits and a clear voice. She moved from hospital desks to gym floors and turned her passion for strength training into a full career. Her bodybuilding win in 2025 showed her skill on stage, while her coaching shows her skill with everyday people. Her time with Matt Rife brought extra attention, but her fitness content keeps people coming back. As she grows her brand, expect more programs, more content and more ways to train smarter with her.