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Every athlete in Summit County, from weekend warriors to elite competitors, needs a system that develops power, endurance, movement efficiency, and durability.
Biomechanics, physiology, and strength science - built into one integrated performance system.
Who We Help.
The SSL Performance Flow
1.
ASSESS
Deep testing & movement analysis
2.
ANALYZE
What your data actually means
3.
TRAIN
personalized plan for your sport & goals
4.
PROGRESS
RETEST, REFINE, LEVEL UP
HEAR FROM OUR CUSTOMERS
I had a PRO experience at Summit Sports Lab in Silverthorne for my VO₂ max and RMR testing. Duncan was fantastic—professional, knowledgeable, and personable. He provided clear explanations and great context around my results, and gave thorough, actionable guidance on how to apply the data to my training and nutrition to improve performance. The process was smooth, and I left feeling informed and motivated. Highly recommend Summit Sports Lab for anyone serious about understanding their fitness and performance!
Tyler, November 2025
HEAR FROM OUR CUSTOMERS
I can’t recommend Aaron enough! He takes a very tailored and personalized approach - thoughtful, thorough, and focused on long-term results. While training for a marathon, I had a few pain points and issues pop up, and he not only helped fix them but also set me up to stay healthy moving forward. We did a detailed running gait analysis and lots of dry needling, and gave me specific exercises that made a huge difference. I really appreciate how much time and care he puts into making sure everything is customized to my needs. If you’re looking for a PT who truly goes above and beyond, this is the place to go!
Becca, October 2025
HEAR FROM OUR CUSTOMERS
Aaron came highly recommended by a friend after a bike fit fixed discomfort and pain he’d been having on the bike. I’m so glad I took his advice, as I’d been dealing with low back pain and numbness in my hands for years after longer rides. I had tried various adjustments on my own and never was able solve the issues. Aaron is a true professional, performed various body mechanics assessments before the bike fit, and discovered one leg was longer than the other. He has an incredible full-service setup at his office in Silverthorne, complete with a gym, PT office, and bike fitting lab. The bike fit was excellent, tailored to my specific needs and riding goals, and fixed my issues. Highly recommend a professional bike fit with Aaron, you will not be disappointed!
Andy, September, 2025
Individualized Plan
No cookie-cutter
plans, ever.
Our Services
Your VO₂, ventilatory thresholds (VT1 & VT2), and metabolic crossover determine how efficiently you fuel movement and how long you can sustain intensity.
What We Measure:
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VO₂ max
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Aerobic efficiency
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Fat vs carbohydrate utilization
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Ventilatory thresholds (VT1/VT2)
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Metabolic crossover point
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Respiratory rate & breathing mechanics
Why It Matters:
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Optimizing your energy system means:
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More power at lower heart rates
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Faster climb times
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Better race pacing
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Improved fat utilization
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Higher endurance durability
Includes: A complete testing session + a personalized report + training zone recommendations.
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Lactate tells us how your body handles increasing intensity and where your true sustainable limits are.
We Identify:
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LT1 (aerobic threshold)
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LT2 (anaerobic threshold)
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Training zones
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Metabolic durability (how fatigue affects your efficiency)
For Cyclists: Perfect for Triple Bypass, Firecracker 50, Iron Horse, Breck Epic prep.
For Runners: Essential for pacing, sustainable HR zones, climbing efficiency, and altitude adaptation.
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Running Gait Analysis
Your gait is a biomechanical fingerprint—unique to your structure, strength, mobility, and load capacity.
Includes:
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High-speed video capture
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Joint-by-joint movement breakdown
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Cadence, stride length, ground contact patterns
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Hip stability + valgus control assessment
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Foot/ankle stiffness & propulsion analysis
Who It’s For:
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Runners with knee, hip, or Achilles issues
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Runners wanting performance gains
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Anyone prepping for trail, road, or mountain races
Outcomes: Movement corrections, loading strategies, cadence plans, and strength targets.
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A clinical, biomechanical bike fit transforms comfort, power, and efficiency.
We Assess:
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Hip mobility & stability
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Knee tracking
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Foot/pedal interface
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Saddle height & tilt
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Bar reach & stack
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Thoracic + cervical mechanics
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Power symmetry & torque patterns (if applicable)
Ideal For:
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Road, gravel, mountain, and TT cyclists
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Riders with discomfort, low power, or poor endurance
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Anyone racing or training seriously
Outcomes: Improved power transfer, reduced injury risk, better climbing, more comfort, and optimized bike/body integration.
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Strength is the foundation of mountain performance. We measure it systematically to identify weaknesses, asymmetries, and opportunities for improvement.
Testing Includes:
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1RM prediction tests (deadlift, squat, bench or alternatives)
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Isometric strength metrics
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Power development (jump analysis if equipment available)
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Loaded mobility
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Core stiffness & rotational power assessment
Why Strength Testing Matters:
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Ski power & stability
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Bike climbing torque
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Running durability
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Injury prevention
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Longevity foundation
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SSL builds programs for the sports Summit County lives for:
Cycling Performance (Road, Gravel, MTB)
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Zone 2 optimization
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Threshold development
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FTP
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Climbing efficiency
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Strength for climbing torque and technical riding
Ski & Snowboard Performance
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Pre-season power building
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Plyo + eccentric loading for injury prevention
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Ski-specific core stiffness
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Balance + rotational control
Running Performance (Trail, Road, Ultra)
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Cadence optimization
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Stride efficiency
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Uphill/downhill technique
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Strength to maintain form on long efforts
Off-Season & Multi-Sport Athletes
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Mixed-mode conditioning
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Hybrid hypertrophy + endurance training
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Metabolic flexibility programs
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