Best Gym in
York Region
At ACE Performance Gym, we're not just about fitness — we're about community. As a proud member of King City and its surrounding areas, we believe in the power of supporting one another and the local businesses that make our community thrive.
Our mission is to empower individuals to lead fulfilling lives by promoting holistic well-being and personal growth. Through our diverse range of services, classes, and nutrition guidance, we strive to elevate the overall quality of life within the King City community.
At ACE, we live by the philosophy of Achieve, Conquer, and Excel — inspiring and guiding our members toward optimal physical, mental, and emotional health.
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Built for
Every Goal. Every Level.
From first-timers to competitive athletes — ACE has the space, equipment, and expertise for where you are and where you're going.
Personal Training
One trainer. Your program. No cookie-cutter plans — just focused work toward the results you actually want.
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InBody 770
Clinical-grade body composition in 60 seconds. Know exactly what's changing — muscle, fat, hydration.
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Group Classes
Spin, HIIT, Power Yoga, and more. No membership required — class packs available to anyone.
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Infrared Sauna
Far infrared light penetrates deeper than traditional heat — reduce soreness, burn calories, and decompress after every session.
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World-Class Facilities
Infrared sauna, ACE Bar & Co., turf zone, lounge, and showers — 25,000 sq ft built with intent.
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Rent Our Rooftop
11,000 sq ft of open-air turf above King City. Corporate events, team days, and group workouts — nothing else like it in the region.
Book the roof →Elevate Every
Part of Your Journey
Every corner of ACE is built to give you an edge — from warm-up to cool-down and everything in between. Scroll to explore.
Technogym Biostrength
Results
Stop guessing — start precision training. Our Biostrength system uses patented Biodrive aerospace technology for maximum neuromuscular activation.
Hand-assembled in Italy. Adapts to your strength curve in real time — perfect form and optimal load, every rep.
Explore the FacilityInfrared Sauna
Per Session
Far Infrared Light penetrates deeper than traditional heat — skin cleansing, reduced soreness, and genuine stress relief through endorphin release.
Recovery is training. Treat it that way.
ACE Bar & Co.
Where flavor meets recovery. Fresh, high-quality blends made from real ingredients — everything you need after pushing your limits.
Sit down, refuel, enjoy the vibe. You earned it.
See the Space
25,000 sq ft of premium training space built to push your performance.
Real People.
Real Results.
"The facilities are incredible — the Technogym equipment alone is worth it. My trainer designed a program around my specific goals and I've seen more progress in 2 months here than in a year at my old gym."
"The spin classes are absolutely addictive. Anna and Ashley bring so much energy — I look forward to every session. The rooftop classes in summer are a whole experience. Nothing else like it in King City."
"Used ACE's rooftop for our company team day — the team at ACE made the whole thing seamless. 40 people, incredible views, and a really memorable experience. We're already planning the next one."