More Than a Gym. A Movement.

BOUNDFIT was born out of a simple but powerful belief: that training should challenge you, connect you and change you. Based in Milnerton, Cape Town, BOUNDFIT is one of South Africa’s most exciting fitness communities and an official HYROX gym, PUMA partner, Red Bull partner and supporter associated with the Kolisi Foundation & NUTRIGO.

Led By People Who Live It

At the heart of BOUNDFIT is Ruan Retief, owner, lead group trainer and personal trainer with over twenty years of experience in fitness, coaching and human performance. Ruan holds a BA in Human Movement Science from the University of Pretoria and carries an impressive list of international certifications including Master Trainer, Strength and Conditioning Coach, Corrective Exercise Expert, Nutritionist and DNA Based Fitness Coach.

His expertise spans an extraordinary range of disciplines. From HYROX and Ironman to Comrades, Karate and beyond, Ruan brings sport specific conditioning and performance enhancement to athletes at every level. A 6 time World Champion in Karate, he brings a true champion’s mindset to every session. Ruan also works with kite surfing athletes at the highest level, training several King of the Air competitors, as well as padel players looking to gain a competitive edge on the court. His rehabilitation and injury prevention expertise covering the shoulder, back, knee, hip and ankle means athletes do not just perform better, they stay in the game longer.

Alongside Ruan, the BOUNDFIT coaching team is made up of passionate, qualified trainers who bring energy, expertise and genuine care to every session. Working with clients from age 6 to 65, our coaches meet you exactly where you are and take you further than you thought possible.

Built For Every Body

Whether you are stepping into a gym for the first time or training for your next HYROX race, BOUNDFIT is built for you. Our community is what sets us apart. Real people, real results and real relationships forged through sweat, laughter and showing up for each other every day.

This is not just a place to train. This is BOUNDFIT.