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Kellie Mulvey, 49, before and after her 12-week female body transformation at ROAR Fitness London, 11kg weight loss
12 weeks · Age 49

Kellie Mulvey’s Body Transformation

Kellie Lost 11kg in 12 Weeks and transformed ahead of her 50th birthday

The Transformation

Kellie, aged 49, joined ROAR Fitness looking for a complete lifestyle reset.

Her goal was simple but powerful: lose body fat, build strength and establish sustainable habits that would support her long-term health. Over the course of 12 weeks, Kellie achieved an incredible transformation — losing 11kg while dramatically improving her strength and confidence in the gym.

Along the way, she doubled her dumbbell chest press from 7.5kg to 15kg, increased her deadlift from 30kg to 70kg, and built strength across every aspect of her training.

“From the moment you walk into reception at ROAR, you immediately feel that this place is something very special.”

Training, Nutrition & Support

Kellie’s programme combined expert personal training with structured nutrition guidance and ongoing accountability.

Working with ROAR nutritionist Jordan, Kellie developed a strong understanding of how to structure her nutrition to support fat loss and performance.

“It can be tricky at first, but he was always there to answer any questions and after each check-in I felt more energised to keep going.”

In the gym, Kellie trained with personal trainer Sam H, whose coaching played a huge role in pushing her beyond what she believed she was capable of.

“I couldn’t be happier with his attitude, knowledge, patience and the motivation he gave me to push myself harder than I would ever have thought possible.”

Sam’s coaching focused on building strength safely and progressively, helping Kellie understand each movement while continually challenging her to progress.

“He really takes the time to explain each exercise, correct my form where necessary, and knows exactly when to increase the weights.”

Strength & Physical Progress

Over the course of the programme Kellie made huge improvements in both strength and body composition.

Deadlift
30kg → 70kg

Dumbbell Chest Press
7.5kg → 15kg

Hip Thrust
90kg

Alongside these strength gains, Kellie reduced her bodyweight by 11kg, representing a 16.4% change in bodyweight over the 12-week programme.

Transformation Stats

Age: 50
Programme Length: 12 Weeks
Start Weight: 67kg
End Weight: 56kg
Weight Lost: 11kg

The ROAR Experience

For Kellie, the transformation was about much more than physical results. The environment, coaching and support from the entire ROAR team made the journey something she truly enjoyed.

“The entire team are so supportive — literally every single person in the gym wants you to achieve the best results you can.”

From the front-of-house team to the trainers and nutritionists, Kellie found the atmosphere welcoming, motivating and inspiring.

“The gym itself is absolutely incredible. It never feels overcrowded but still has an amazing buzz and community feel.”

So much so that after completing her transformation, Kellie decided to continue her journey.

“Given the results and the style of training with Sam H, I signed up for another 12 weeks to see what more I could achieve.”

And her message for anyone considering starting their own transformation?

“If you are sitting on the fence, just do it. The return on investment is worth it.”

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