Train for the long game
Stay strong, mobile and capable for decades — and perform at your best well beyond the gym — with longevity-focused personal training in Liverpool Street, London.
Get In TouchThe goal
Longevity & Performance
The best reason to train is rarely a single season — it is the long game. Strength, muscle, mobility, and good daily habits compound into a body that holds up: better energy, better movement, and the confidence that comes with both. The aim is to keep you strong, mobile, and capable for decades, not to chase a number for a few weeks.
This is the thread that runs through everything Jasper coaches. Mobility is trained so the joints last; strength and muscle are built so you stay capable; nutrition and lifestyle keep it sustainable. And the real return is felt beyond the gym floor — in how you perform at work, in sport, and in the rest of your life.
How it's trained
What's involved
- Strength and mobility built to keep you capable and independent for the long term
- Sustainable progress over short-term fixes — the kind that keeps paying off
- Intelligent load management so training stays consistent and setback-free
- Nutrition, sleep, and lifestyle coached as one system alongside the training
- Progress measured by how you move, feel, and perform — not vanity numbers
Where to start
How Jasper helps you get there
Personal Training
On enquiryHands-on, fully personalised 1-2-1 coaching at UNTIL Liverpool Street. Strength, muscle, and mobility programmed together across multiple disciplines, with nutrition and lifestyle support for body composition. Typically two to four sessions a week on a minimum twelve-week commitment — built around your body and your week.
See the service →Online Coaching
On enquiryA personalised strength, muscle, and mobility programme delivered remotely with regular check-ins, plus nutrition and lifestyle guidance. The same multi-discipline thinking as the in-person work, adapted to your own gym and schedule — for people who train confidently on their own and want it programmed properly.
See the service →FAQ
Common
questions
Is this suitable for people in their 40s, 50s and beyond?
Yes — that is much of who Jasper works with. Training is scaled to your starting capacity and any considerations you bring, with the aim of building strength and mobility that keep you capable and confident in your body for the long term. It is never too late to start, and the long-game benefits are real.
What if I have old injuries or niggles?
Programmes are built around your history, and load is managed carefully so you train within ranges that work for you. Where something sits outside coaching scope, Jasper will point you toward the right specialist rather than working around it — your long-term capacity matters more than any single session.
How do you measure longevity progress?
Through practical markers — strength, mobility, how you move, your energy, and how you feel day to day — rather than one figure. Your assessment sets the baseline, and progress is reviewed over time so the programme keeps serving the long game and the way you want to perform in life.
Get Started
Ready to begin?
Book today.
Jasper Macdermot • 280 Bishops Square, UNTIL Liverpool Street, London EC2M 4RB
EnquireAppointments typically available within 1–2 weeks