YOUR COMMUNITY GYM
Concept 42 is a ultra-inclusive gym studio which provides innovative, challenging yet balanced, set workouts for total body conditioning.
Including our flagship 42-Minute Circuit with daily changing workouts, and our exclusive custom boxing circuits. Our training infrastructure delivers over 160 different 42-minute classes for up to 21 people taught by experienced, supportive & highly motivating fitness experts.
Our philosophy at Concept 42 is to provide a friendly & un-intimidating atmosphere where you have fun whilst you workout in a motivating group environment.
Our club truly is for men & women of all ages & fitness levels.
Class-based
Inclusive
Engaging
Encouraging
Time Efficient
Body Specific
42
MINUTES TO CHANGE YOUR LIFE
MEET OUR CREW
Jason, with a distinguished career in the NRL and Super League, brings a wealth of experience to the forefront. Inspired by his passion for fostering engagement and inclusivity in fitness, he conceived Concept 42 as a means to empower the local community.
Jason
Owner and Head Trainer
With nearly a decade in the fitness industry, Ash brings energy, experience, and a passion for helping people feel stronger both physically and mentally. Specialising in boxing, strength training, and functional fitness, she creates a supportive and motivating environment where members can build confidence, consistency, and long-term healthy habits — all while enjoying the process and pushing towards their goals.
Trainer
Ash
Tiegan brings energy, positivity, and a passion for helping people move well into every session. As a future Physio, she combines her coaching experience with a strong focus on technique, movement quality and injury prevention. With her big smile and motivating approach, Tiegan is dedicated to creating a supportive gym community at C42 where everyone feels empowered to achieve their best.
Tiegan
Trainer
Tas brings an upbeat and motivating approach to every class, creating an environment that pushes members to work hard while still feeling supported and confident. Her coaching style combines strength, conditioning, and technique-focused training to help members improve performance, build consistency, and enjoy the process along the way. With a strong focus on energy, connection, and encouragement, she helps make every session both challenging and rewarding.
Tas
Trainer
Jake delivers energetic and results focused group training sessions that help members improve fitness, build strength, and gain confidence. He prioritises working closely alongside members to improve exercise technique and movement quality throughout each session, helping create long lasting results that truly stick.
Jake
Trainer
CONTACT US
0456 782 805 (Ash) | jason@c42.com.au
81 Bassett St, Mona Vale Sydney 2103