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Barry Grinham got me into running in 2005. I’d needed some motivation and discipline to exercise regularly and Barry provided both. I knew he would, as I’d seen him motivating my kids in the elements of gym at his brilliant Energizers classes for toddlers and pre-schoolers at Oxford Brookes. I remember the first time he got me to run round University Parks with him. One circuit of the park and I was completely out of breath. A few years of Barry’s training regime later I completed the Town and G…
Prof PdGUniversity of Copenhagen

About Us

Prime Energy the story…

Prime Energy is now in its fourth decade of health related fitness.

During this time the company has grown from strength to strength under the guidance of founder Barry Grinham, who alone has conducted in excess of 13,000 hours of personal training, besides a wealth of classes.

Based in the Cotswold village of Kirtlington, the company operates from a number of venues in the region. One of which being Brookes University Centre for Sport (, a well established centre for sporting excellence and human performance.