VO2 and RMR testing for Athletic Performance
Your athletes work hard. Ensure you get reliable data to make informed training decisions and help your athletes train smarter, not harder.
VO2MAX | RMR | CPET
As seen in
Trusted by thousands of gyms and longevity studios worldwide
Join a global network of gyms, wellness studios, and longevity clinics using VO2 Master to add revenue-driving metabolic testing, generate instant reports, and standardize client assessments — backed by peer-validated accuracy and real-world reliability.
Data-Driven Success
For the Norwegian Olympic and Ironman world champions, Kristian Blummenfelt and Gustav Iden, getting reliable performance and training data helps keep them at the top of their game.
See how using the innovative VO2 Master technology helps them maintain their competitive edge and how they push the boundaries of athletic development like never before.
Innovative technology. Game-changing analytics.
The difference between winning and losing can come down to a split second. Make every second count by training with VO2 Master.
Better results in less time
Use key performance metrics in training optimization to boost your competitive edge.
Keep raising the bar
Identify limiters to effectively push past training plateaus
Effective & healthy weight management
Accurate resting metabolic rate assessment for achieving healthy weight loss or gain.
Harness the power of in-field training
Get detailed insights into how real-world scenarios affect your athletic performance.
User-friendly testing
Eliminate the hassle of hoses, cables, and wires with a Bluetooth VO2 analyzer for hands-free assessments.
Garmin watch-compatible.1
Calibrate your VO2 Master and easily connect it with your favourite Garmin watch so you don’t need to carry your phone.
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Hassle-free customer support
Get responsive and friendly support by email, phone, or in virtual meetings.
No second-guessing
Feel confident in the results of your assessments with reliable VO2 data that is accurate to within 1% and 2%.
Team & multi-user friendly
Easily and effectively organize your data with unique metabolic profiles for every athlete and user.
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Risk-free with the best support in the game
Providing leading-edge quality and exceptional customer satisfaction is essential to us. We want you to be as satisfied with your purchase as we are.
Worldwide shipping*
30-day satisfaction guarantee
1-year warranty*
Dedicated support
*Some restrictions may apply
Proven globally
Trusted worldwide by human performance professionals, VO2 Master’s patented innovation turns metabolic data into clear coaching decisions.
Dr. Jack Eoin Rua O’Neill
Exercise Physiologist
Luis Orta
Olympian and Marathon Coach
Dr. Izumi Tabata
Tabata Protocol
Dr. Elie Abirached
Founder, Restore Fitness and Limitless Human
Laura McDonald
MS, ACSM-CEP, Founder of E2O Denver: Health & Performance Physiology
Dr. Eva Piatrikova
PhD. Liptov Sport Institute
Jack Hanrahan
Longevity and Fitness Coach and Influencer
Darnell Hardy
Aerobic Capacity & Power Monkey Endurance Coach
Dr. Leandro Perez
MD, FACC, FSCAI, FASE. Interventional Cardiologist, DexaFit
Brock Hoel
Professional Triathlete
Tom Evans
Professional Ultra Runner
Sebastian Cordovez
Sports & Fitness Consultant
Vit Prindis
Kayak Slalom World Champion
Olav Aleksander Bu
Professional Coach and Scientist
Gustav Iden
Professional Triathlete – Ironman World Champion
Kristian Blummenfelt
Professional Triathlete – Olympic and Ironman World Champion
Chelsea Sodaro
Professional Triathlete – Ironman World Champion
Related Resources & Insights
Read real-world stories of VO2 and metabolic testing studies successfully conducted using VO2 Master.
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Physiological Testing for Athletes: The goal is not just more data, it is better decisions
Testing should do more than produce a VO2 Max number. VO2 Master co-founder and endurance coach Dr. Andrew Sellars, explains how coaches can use physiological and respiratory data to identify athlete-specific limitations, test training assumptions and make better decisions.
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High-Throughput VO2 Testing: Capacity Planning for a Full Squad
Testing one athlete is straightforward. Testing an entire squad requires a system. Learn how to plan analyzer capacity, staffing, athlete flow, sanitation, protocols and reporting for efficient team VO2 testing.
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VO2 Master Featured in Athletech News’ Longevity Industry Report
VO2 Master CEO and co-inventor Peter O’Brien joins Athletech News’ Longevity Industry Report to discuss the growing role of portable metabolic testing in fitness, wellness, and longevity—and how objective physiological data can help facilities personalize coaching, engage members, and create new revenue opportunities.
VO2 Master Analyzer
Measure what matters to your clients
Get the next level of performance and metabolic assessment in the world’s most portable, user-friendly, and affordable analyzer.
1. In some cases, the data required may not always be captured to support automatic ventilatory threshold identification. While every effort has been made to ensure the accuracy of the analyzer’s results, there may be situations where the data available to the analyzer is insufficient to identify the ventilatory thresholds correctly.
2. The VO2 Master Analyzer is designed to be used with compatible Garmin devices only. While every effort has been made to ensure that the VO2 Master Analyzer is compatible with a wide range of Garmin devices, it is important to note that not all Garmin devices may be compatible. To ensure that your Garmin device is compatible with the VO2 Master Analyzer, please refer to the list of compatible Garmin devices. Please note that the list of compatible devices may be updated from time to time, so it is recommended that you check the list regularly.
3. We offer a satisfaction guarantee on the VO2 Master Analyzer, subject to the terms and conditions outlined in the full description of the guarantee.
4. Please be advised that the VO2 Master Analyzer is sold subject to the terms and conditions of our warranty policy.
5. While our product may be used in many different locations and environments, it is important to use the product only in accordance with the Technical Specifications provided in the VO2 Master Product Manual. Using the product outside of its specified limitations or specifications may result in decreased functionality or may cause damage to the analyzer.
6. The VO2 Master Manager mobile app is capable of being used with additional compatible Bluetooth sensors. While every effort has been made to ensure that the VO2 Master Manager mobile app is compatible with a wide range of sensors and smart trainers, it is important to note that not all Bluetooth devices may be compatible. To ensure that your Bluetooth sensor is compatible with VO2 Master Manager, please refer to the compatible devices listed in the Compatible Sensors provided in the VO2 Master Product Manual. Please note that the list of compatible sensors may be updated from time to time, so it is recommended that you check the list regularly.
Product is not a medical device; it is not intended to diagnose, treat, cure, or prevent any disease. Consult your physician before starting any dietary or fitness programs.
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