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Build Your Aerobic Engine Without Overtraining: A Science-Backed Guide for Runners
Build aerobic endurance safely with Zone 2 running, heart rate and metabolic testing, lactate threshold training, periodized plans, recovery, and strength work to avoid overtraining and boost performance.
Adam Harrington
Apr 64 min read


Personalized VO2 Max Testing: The Science Shortcut to Smarter Endurance Training Plans
Personalized VO2 Max and metabolic testing tailor endurance training by defining precise zones, improving pace, recovery, and efficiency, enabling smarter workouts and optimized race strategies.
Adam Harrington
Feb 234 min read


Unlock Your Engine: The Science and Real-World Gains of VO2 Max and Metabolic Testing
VO2 Max and metabolic testing provide precise data on oxygen use and metabolism, enabling runners to set effective training zones and fueling strategies for improved endurance and performance.
Adam Harrington
Feb 153 min read


Fuel by the Numbers: Nutrition Strategies Tailored to Your Metabolic Profile
Metabolic testing reveals your unique fuel use, enabling tailored nutrition plans that optimize fat and carb intake, electrolyte balance, and race-day fueling for improved endurance and recovery.
Adam Harrington
Feb 124 min read


The Science of Personalized Endurance Training: Why One-Size-Fits-All Plans Fail
Personalized endurance training uses VO2 max and metabolic testing to tailor heart rate zones, periodization, and coaching to individual physiology, lifestyle, and goals, enhancing performance and injury prevention.
Adam Harrington
Feb 103 min read


Beyond Guesswork: VO2 Max and Metabolic Testing for Precision Training
VO2 Max and metabolic testing provide precise insights into oxygen use, fuel utilization, and training zones, enabling runners to optimize workouts, improve endurance, and achieve personalized, effective training plans.
Adam Harrington
Feb 94 min read


Fuel Smarter: Build Your Nutrition Plan from Metabolic Data
Metabolic testing using VO2 Max and RMR data enables runners to create precise, personalized nutrition and training plans that optimize energy use, fueling, and performance for race and daily training.
Adam Harrington
Feb 63 min read
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