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Your Trusted Fitness Partner in Corby
JS Fitness Coaching is a dedicated fitness and personal training service based in Corby, delivering tailored health solutions for individuals at all fitness levels. With over 15 years of professional experience, our founder Jason Strachan combines advanced qualifications in sport science, psychology, and nutrition to create transformative programs. We offer one-to-one personal training in a private gym, online coaching with structured meal plans, and group classes like HD 45 Fitness and Boxing Fit. Our approach prioritises sustainable results through science-backed programming, proper technique, and community accountability. Clients benefit from pre-screening assessments, customised training plans, and flexible options including in-person sessions, virtual coaching, and small-group workouts.

We specialise in helping busy individuals achieve fat loss, strength gains, and improved confidence while accommodating hectic schedules. Our #T8 Team Online Programme provides an 8-week transformation challenge with expert coaching, progress tracking, and a supportive community. We also deliver boxing coaching programs to schools across Northamptonshire, enhancing discipline and self-esteem among pupils. With a focus on education and knowledge-sharing, we maintain membership in UK Coaching to ensure continued excellence. Our commitment to quality has earned recognition through multiple industry qualifications and consistently positive client testimonials.
Services
Personal Training Online Coaching Group Classes HD 45 Fitness Boxing Fit School Coaching Nutrition Plans Military Workouts Kettlebell Training Pre-Post Natal Fitness
Highlights and features
  • We offer 15+ years of professional fitness coaching experience with advanced qualifications
  • Our programs combine sport science, psychology, and nutrition expertise
  • We provide tailored training plans with pre-screening health assessments
  • We deliver flexible options including private gym sessions and online coaching
  • Our community-driven approach ensures ongoing support and accountability
What people say
Fantastic business Incredible support Best shape ever Great community Expert hands
Services
Personal Training
Tailored fitness programs delivered in a private gym setting with expert guidance. Sessions focus on individual goals including fat loss, strength training, and performance improvement. Clients receive personalised nutrition advice and progress tracking for optimal results.
Online Coaching
Remote fitness programs with custom meal plans and daily workout videos. Includes community support and progress tracking through a dedicated app. Designed for busy individuals seeking flexible training solutions with expert accountability.
HD 45 Fitness
High-intensity 45-minute classes combining strength training, cardio, and functional movements. Based on HYROX and DEKA FIT methodologies, sessions improve overall fitness with scalable workouts for all ability levels in a supportive group environment.
Boxing Fit
Mixed-ability boxing sessions teaching technical skills while improving cardiovascular fitness. Combines boxing drills with full-body conditioning to enhance coordination, endurance, and self-confidence in a fun, social setting.
School Coaching
Boxing coaching programs for primary and secondary schools across Northamptonshire. Designed to improve discipline, confidence, and physical development through structured sessions that complement PE curricula with expert instruction.
People
Jason Strachan
Award-Winning Personal Trainer
Qualified coach with BSc in Sport Science and Psychology, 15+ years' experience, multiple industry certifications including England Amateur Boxing Coach and Pre-Post Natal Specialist.
Questions
What personal training options are available?
We offer one-to-one sessions in our private gym, online coaching programs, and small-group training options with flexible scheduling.
Do you cater for beginners?
Yes, all our programs welcome beginners with tailored assessments and progressive training plans to build confidence safely.
What qualifications does the trainer hold?
Jason holds a BSc in Sport Science and Psychology, England Amateur Boxing Coach certification, and multiple specialist fitness qualifications.
Are group classes suitable for all fitness levels?
Yes, HD 45 Fitness and Boxing Fit classes use scalable workouts to accommodate participants of varying abilities and experience levels.
How long are the training sessions?
Personal training sessions last 45 minutes, group classes run for 45-60 minutes, with online programs structured around 8-week durations.
What areas do you serve?
We operate in Corby and provide school coaching programs across Northamptonshire with online options available nationwide.
Videos
Reviews (5)
Chris Bullock
Oct 17, 2021 Report
Jason trained my son to get him fit to join the Royal Navy. His training was excellent and not only got my son through his fitness tests but also the encouragement and mentoring that Jason provided really changed his thinking and attitude and helped get him to where he is today - doing his basic training in the first steps of his naval career. I wouldnt hesitate to recommend Jason to anyone for training - his standards, level of training and commitment is second to none.
Dale Birch
Feb 07, 2021 Report
Positive:Professionalism
Ive been going to JS fitness boxing classes on a Monday night for 2 years, very friendly and enjoyable classes. Jases knowledge of the fitness industry is fantastic and always offers support to all the members of the group.
Nancy Cross
Feb 01, 2021 Report
I have been training with Jason for a little while now (on and off due to Covid) but its been great! I've have separated abdominal muscles from my pregnancies so Jason has been working with me to strengthen what is left of my core and also improve my over all fitness & strength for the rest of my body. Highly recommended. Friendly and approachable but still able you hard push to get you improving for the better :)
John Houghton
Jan 29, 2021 Report
Jason's knowledge is excellent and he taught me a lot about exercise. Every session is different which keeps it interesting and i felt like i was progressing with every workout. His sessions whether it be a 1-2-1 or his group classes are always positive, fun and of a very high standard. I would highly recommend Jason as a personal trainer!
Margaret Senior
Jan 23, 2021 Report
Training with Jason was amazing. He took the time to understand my goals and ability. Week by week he improved my strength, fitness and well being. I not only lost weight but shaped up and felt more confident about myself in years. If you need the Kickstart and motivation to change, then Jason is your man ...totally professional, one to one, customized training