Be Better Everyday

JKConditioning is a private fitness community located in the centre of St. John’s, Newfoundland. We offer personal training for busy people who want to improve their overall health and fitness. Personalized training sessions take place in a group setting under the guidance of our credible and reputable trainers. This means that you get the results of a personal training program with the support and camaraderie of our close-knit fitness community. We design workouts to make you better, not to see how much you can sweat.

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How We Work

Most fitness professionals promise “6 pack abs in 6 weeks,” or a similar message. We don’t do before and afters because there is no “after.” There is only continuous improvement. Also, our group training creates a community. When you join JKC, you are joining something bigger than yourself.

Custom Workouts in a Group Environment

Get the best of both worlds: a custom plan tailored to your needs and current ability along with the support from the JKC fitness community.

We Offer Flexible Scheduling

No locked-in days or times here. Train when’s convenient for you so you don’t have to miss workouts.

Pay As You Go

Enjoy a different fitness experience. Pay for training on your terms with no long-term membership fees. Out of town? No worries. Only pay when you workout.

Client Reviews

Read what clients have to say about their experience at JKC.

Courtney Sharpe

Nutritional Coaching by Julia Howard

For the past two months I have worked with the JKC team and have never felt better! In addition to a personal fitness plan, JKC’s holistic nutritionist, Julia, worked with me and around my busy schedule to educate me on healthier food options and meal planning. I maintain a daily food log which Julia reviews and provides feedback on and we also have weekly chats to discuss my nutritional goals and potential improvement areas. Julia also helped me to identify and work around dietary constraints which have caused digestion issues for years!

Julia and the rest of the JKC family have helped me get my confidence back! I love starting my days with a good sweat and a healthy breakfast. I understand what foods make me feel my best and my body is well on its way to becoming more lean, fit and happy! I would totally recommend Julia and the entire JKC team!

Astrid Billfalk-Kelly

Personal Strength Training by Thomas King

I wanted to add strength training to my cardio, but have always felt gyms to be a bit intimidating, and was worried I would hurt myself without some supervision and help. JKC was highly recommended by several work colleagues. Thomas and Jon are both fantastic, making sure that everyone gets a highly personalized work out in a very supportive environment. The attention to detail and professionalism are second to none. The groups are very small, but very supportive and make the workouts even more fun. Since getting pregnant (36 weeks as I write this) I’m so happy that they continue to help me get stronger while always being safe.

I originally joined JKC because I was anxious about passing out and embarrassing myself since I hadn’t weight trained in a while and I’d hoped to find somewhere sympathetic. My husband @terry_hussey had been training at JKC and his success there made me miss the achievement you feel from a good workout. I went to meet Jon and immediately knew it was going to be a safe space for me. I was never judged for the fears I had and where I was starting from. Jon and Thomas made sure to check on me often, and found a way to challenge me but make me feel secure at the same time, and Terry and I were able to book sessions together, so working out became a shared win for us!

JKC is different from other gyms because of the personal growth you have outside JKC (the sessions inside JKC creates a great positive feedback loop!). You gain self confidence, learn how to show up for yourself, meet a community of newfound friends, and get the support of your trainers who are behind you 100%. I’ve left a scattered workout so proud of myself I’ve honestly shed a tear in the car on the drive home. JKC is the mental health relief valve I need to stay positive, and keep my anxiety and health related fears at bay.

I originally chose JKC to help me rehab following back surgery. JKC was the first gym where a trainer took the time to help me identify my goals and tailor my workouts to achieve them in a safe and doable manner. 🏋🏼 Jon & Thomas are both highly professional and knowledgeable. 👨🏼‍🎓 With their guidance and informative explanations 🗣 they have enabled me to reach my ever evolving goals. At JKC I’m guaranteed fun 😆, interesting 🙃 and diverse workouts, with Jon & Thomas forever supportive and encouraging. 👏🙌👍👊

I chose JKC because I row/coach teams in the St. John’s Regatta and was looking to add strength training to our program. My wife is also running friends with Julia, so I got to meet Jon a few times and heard lots of good things. I like JKC over other gyms because of the level coaching I receive and the gym atmosphere. The energy in the gym helps me through the tough workouts.

Featured Coaching Programs

We are now accepting new clients for in-person training and for online run coaching!

Temporarily Unavailable

Run Coaching

Turn your passion into speed with a balanced, strategic approach to training.

Personal Strength Training

Our goal is to transform your life through the avenue of health and fitness. New to strength training? Been lifting for years but in a rut? We got you covered.

Temporarily Unavailable

Nutritional Coaching

From fat loss to better digestion to improving your mood and focus, you can do better with your eating habits and see an impact now.

Latest Activity on Social Media

Stay up to date with the goings-on at JKC by following us on social media.