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Endurance PTC
Performance Coaching
Bike Fitting
eCycling
Gym
Personal Trainers
Nutrition Support
About EPTC
Our Team
Testimonials
Exercise & Physiological Testing
Fitness Assessment
Performance Assessment
Body Composition Analysis
Resting Metabolic Rate Testing
Field, Remote & Group Testing
Maximal Fat Burning Assessment
Running Economy Testing
Sweat Sodium Testing
EPTC REVIEW
Contact Us
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Performance Coaching
Bike Fitting
eCycling
Gym
Personal Trainers
Nutrition Support
Folder: ABOUT
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About EPTC
Our Team
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Folder: ELAB
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Exercise & Physiological Testing
Fitness Assessment
Performance Assessment
Body Composition Analysis
Resting Metabolic Rate Testing
Field, Remote & Group Testing
Maximal Fat Burning Assessment
Running Economy Testing
Sweat Sodium Testing
EPTC REVIEW
Contact Us

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View fullsize Your hydration plan is probably based on a generic recommendation. Drink X ounces per hour. Take a salt tab every 45 minutes. Maybe it works. Maybe it doesn’t. Here’s the problem: sodium loss varies wildly from person to person. Two athl
View fullsize Your training zones are probably wrong ❌ Here’s why: most athletes use estimated zones based on age (or likely, whatever your Garmin tells you). Real performance training uses tested, individual zones from VO2 or lactate data. Slide through to
View fullsize No lab. No waiting room. Just Tim's van and a bike path. We pull up, you run your intervals, we take a small blood sample at each stage and measure your lactate in real time. By the end you know exactly where your threshold is and what training inte
View fullsize We had a small (but mighty) group for our spring EPTC ride this past weekend, but we had an absolute blast conquering the climbs and enjoying the beautiful spring weather. See you at the next one! #enduranceptc #cyclingcommunity
View fullsize Most athletes are piecing it together. A coach here, a gym there, a bike fitter across town, nutritionist they saw once, test results from a clinic that doesn't know how they train. It's fragmented. And fragmented programs produce fragmented results
View fullsize 🚴🏽‍♀️🚴🏽 GROUP RIDE ALERT 🔥 Come join the EPTC crew for our springtime social group road ride this Saturday, March 7! We’ll be doing a ~50mi Hwy 1 ➡️ Bofax ➡️ Alpine dam loop (with some of Jaffa's favorite Bergs to spice things up) from

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8 Madrona St.
Mill Valley, CA 94941

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