Fit for Purpose


Fit for Purpose

Our Mission

With the fit for purpose method we will find the purpose to drive you to reach your goal.  We strive to guide, educate and motivate you to achieve your  aim whether it is in health, fitness or sport.

“The greatest danger for most of us in not that our aim is too high and we miss it, but that it is too low and we reach it”

  • personal trainer, coach

    Florence, Italy

  • Jungles, Marines

    Brunei Jungle

  • Ewan Hewertson Personal Trainer Inverurie

    Red Sea

  • adventure race,

    Xterra Championship


Ewan Hewertson

The founder / Company Director of Tribalcore and senior personal trainer.

Premiers Diploma in Personal Training and Sports Therapy

CrossFit level 1 Trainer

Long before serving with the Royal Marine’s Ewan was driven by a passion for sports, adventure and martial arts. This formed a strong foundation which allowed him to undertake the world renowned hardest and longest military training – Royal Marine Commando’s.  Gathering a vast amount of experience in all type of challenges and terrain around the world fuelled the passion which underlines Tribalcore‘s ethos.  This ethos is to show, educate, support and encourage people to strive in achieving their goals and to obtain the most from the mind and body.

Through his Royal Marines Commando experience and a Premiers Diploma in Personal training and Sports therapy, he is able to combine military and sports science to bespoke clients training programmes to suit and achieve their goals. techniques to choose which best suits the client and their goals. This unique blend is tailored to each client to enable them to work to and achieve their goals.

If you are interested in training or any  further information please use the contact page. Tribalcore has an extensive knowledge and experience in sports science and medicine, athletics, nutrition, post natal training, mixed martial arts to name a few.


Personal Training

Maximise your effort with 1 to 1 personal training or in small groups up to 4 people.

Boot Camps

“No Gym – No Problem” Sick of the gym and training alone?  Get Leaner, Faster and Stronger in group session with our Boot Camps.

Online Coaching

Take advantage of distant training.  Scale the level of services you need from programme design only to every aspect covering training, eating and resting.



Inverurie, Scotland