
CoreOne Gym Mulbarton in Johannesburg South
We've been helping people grow from strength to strength since 2011.
Personal trainer near you at all times
3 Reasons To Choose Us?
Our proven way of training can help you feel good and keep your weight off for life!

Affordable PT
When you exercise with a group, you share the cost of the personal trainer. This means you still get the help and support you need, just like in a one-on-one session, without breaking a arm and a leg for a personal trainer.

Small groups
Gyming with friends at CoreOne is lots of fun and it keeps you motivated. Our personal trainers pay attention to everyone, even in small groups. They help you do exercises each correctly and at your own pace.

Fitness Tracking
Ultrasound scans every few weeks are much more accurate than a bathroom scale. You can see exactly how much fat you lose and muscle you gain. This way, you see results and know what really works for you.
5 Star Member Reviews
Want to Pop In For A FREE Strength Or Boxing Session?
This deal won't stick around forever, so don't miss out!
Fitness classes in Johannesburg south
What Is Your Fitness Goal?

Cardio Boxing Class
This class is a calorie-burning sweat box! It's lekker for punching away stress. Join us and get fit with other positive peeps, have a jol, and maybe even show off some dance moves! Warning: up to 500 calories burned!
Tuesday: 6pm & 8am
Wednesday: 6am
Thursday: 5am, 8am & 4pm, 5pm & 6pm
Saturday: 9am

Strength & Toning Class
Got a complex from the fat under your arms or legs? Strength training is the best way to fix it. Stick to it three times a week with a good diet, and you'll get results. You'll feel more happier in your own skin.
Monday: 5am, 6am, 8am & 4pm, 5pm, & 6pm
Tuesday: 5am, 6am, 9am & 4pm, 5pm, 6pm
Wednesday: 5am, 8am & 4pm, 5pm, 6pm
Thursday: 6am & 9am

The 5am Club
Our 5 am gym session is a secret weapon for boosted energy, clearer focus, and a positive mindset all day long. If you're looking for a game-changer, give this morning class a try! You might surprise yourself.
Moday & Tuesday: 5am
Wednesday & Thursday: 5am
Friday: 5am

Youth Gym Sessions
The best of both worlds ;) We camouflage fitness in a series of fun challenges to help kids get stronger. We have multiple classes running at the same time, you can have peace of mind knowing they're safe while you're also trying to train and get fit.
Tuesday: 3pm
Thursday: 3pm

Full Body (HIIT) Class
Struggling to squeeze in gym time? No worries! This Full Body HIIT class works literally every muscle in your body, so you can enjoy your going out on weekends with your family and friends guilt-free!
Friday: 5am, 6am & 8am
Saturday: 7am
Sunday: Closed

One on One Session
The pain of discipline or the pain of regret? The choice is yours. Our expert trainers have a structured and result-driven approach to take you to the next level. Whether you want to lose weight, build muscle or endurance - we've got you.
Monday: 7am, 9am & 3pm
Tuesday: 7am
Wednesday: 7am, 9am & 3pm
Thursday: 7am
Friday: 7am & 9am
Saturday: 6am
Our gym memberships
Small Group Personal Training Rates & Fees
If you're a student or pensioner, you qualify for a further 20% off :)
Bronze
R 799 p/month
2 classes per week
Nutritional guidance
Personal trainer guidance
Advanced body fat, muscle and weight loss assessment every 8 weeks
Silver
R 999 p/month
3 classes per week
Nutritional guidance
Personal trainer guidance
Advanced body fat, muscle and weight loss assessment every 6 weeks
Gold
R1 249 p/month
4 classes per week
Nutritional guidance
Personal trainer guidance
Advanced body fat, muscle and weight loss assessment every 4 weeks
Get To Know Your Personal Trainers At CoreOne Gym in Mulbarton, Johannesburg South
The peeps who will help you change your life, one rep at a time!

Stephen Montgomery
Founder & Head Trainer
Meet the main man at the gym, our founder Stephen! Fitness has been his thing since he was a kid, inspired by his army dad. He's your guy for core training and transforming fat into muscle. With 20 years of experience with South Africans just like you, Stephen's got fitness hacks not even AI knows about lol. He says, "Forget those one-size-fits-all programs, at CoreOne, everything is tailored to your body even in a small group class".

Sthembiso Mkhatjwa
Captaino & Trainer
Meet our cardio boxing CAPTAINO, Sthembiso! Part-time semi-pro soccer player, but for us, he's like the Messi of the boxing ring! Sthembi will make sure you have a hell of a lot of fun! He'll make you sweat, laugh, and burn calories like never before. With Sthembi in your corner, you'll not only get fit, but you'll have a buddy for life!
Want To Speak To A Personal Trainer? Have A Question?
There's no such thing as a silly question or an embarrassing concern. We're here to help you. Fill in the form below and we will see if we can help :)
Opening HoursMon - Thur: 5am - 7pmFriday: 5am -12pm
Saturday: 7am - 10am
Sunday: Closed
+2783 791 8095
[email protected]
2 Jordie Road, Panorama Complex, Mulbarton, Johannesburg South, 2059
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