Fitness Assessment: Your Metabolic Blueprint

Experience a full metabolic profile with our streamlined gold-standard GX test - your first step to smarter training.

Why does it work?

Whether you’re refining a training plan or restarting after injury, this test hands you the exact data you need. Expect clarity, accountability, and actionable guidance - no question or fitness level left behind.

At our eLab in Mill Valley, our Fitness Assessment uses a clinical-grade metabolic measuring system to analyze VO₂max, anaerobic threshold, FATmax, and training zones. The result? Custom training and nutrition protocols tailored to your body.

What is a Fitness Assessment?

  • Key metrics: Training zones, cardiorespiratory fitness, VO₂max, and aerobic power

  • Fuel insights: How your body uses fat vs. carbs and calorie burn at different intensities

  • Economy data: Performance cues for running, cycling, or rowing

  • One-on-one consult: Get a full debrief with an exercise physiologist

What will you walk away with?

  • Accountability-focused movers: Want objective feedback to guide progress?

  • Fitness & outdoor lovers: Compatible with any fitness level or goal

  • Recreational cyclists: Personalized insights to fine-tune training and nutrition

Who is this test is ideal for?

  • Fitness Assessment (GX test) $299

  • Follow Up* Fitness Assessment (GX test) $279

  • Sweat Test & Fitness Assessment $449

    *within 6 months of initial test

Non-Member Pricing

Ready to see what your body can do?

Book your Fitness Assessment today or reach out for a free consult to explore your best testing options.