From Olympic Gold in Tokyo to Ironman dominance across the globe, Kristian Blummenfelt has redefined what’s physiologically possible in endurance sport. His journey isn’t just about medals — it’s about mastering VO2 max, submax and fat oxidation, to conquer two very different racing formats. With the help of field-based metabolic testing using the VO2 Master analyzer, Kristian and his coach Olav Aleksander Bu have fine-tuned his training to push the limits of human performance.
Author Archives: Juls
VO2 Master Featured in Men’s Health: Reverse Your Cardiac Age with Accurate VO2 Max Testing
We’re proud to share that VO2 Master was featured in the latest issue of Men’s Health magazine in an article titled “Reverse Your Heart Age.” VO2 max—the amount of oxygen your body can consume during exercise—is now recognized by the American Heart Association as a vital sign, right alongside blood pressure and heart rate. AContinue reading “VO2 Master Featured in Men’s Health: Reverse Your Cardiac Age with Accurate VO2 Max Testing”
Unlocking HYROX Performance: Why Portable VO2 Testing is a Game Changer
HYROX is more than strength and endurance. It’s about metabolic precision. Discover how VO2 Master testing helps athletes train smarter, recover faster, and compete stronger.
Bringing VO2 Testing to the Firehouse, Insights from Daniel Higuera, PhD
Daniel Higuera, PhD, shares how VO2 max testing supports firefighter health, readiness, and mental resilience, and how departments can bring testing out of the lab and into the field using VO2 Master.
Human Connection Meets Performance: How VO2 Master Helps Coaches Deliver Results Clients Feel
VO2 Master isn’t just changing how we measure performance—it’s redefining how coaches connect with clients. By combining cutting-edge data with human connection and motivation, VO2 Master empowers coaches to deliver results that athletes feel both physically and mentally.
How to Attract Elite Athletes to Your Facility with VO2 Master Testing
Elite athletes are constantly seeking the edge that gets them that 1%. Here’s how you, as a facility owner and coach can position your VO2 Master testing services to meet the high-performance demands of pro and elite athletes—and grow their reputation in the process.
Unlocking New Revenue Streams: How 2 Fitness Entrepreneurs Are Growing with VO2 Master Testing
Discover how BioFit Health Lab and Aevitas Medical are using VO2 Master testing to drive client engagement, build partnerships, and grow their fitness and wellness businesses.
Unlocking the Edge: How Top Coaches Help Athletes Embrace VO2 Max Testing
Help your athletes embrace VO2 max testing as a personalized performance tool—not just another evaluation. This guide shows coaches how to build trust, reframe the narrative, and turn testing into an advantage.
Why Fire Departments are Using Portable Metabolic Testing to Advance Tactical Fitness Programs
Firefighters face intense physical demands on the job. Learn how VO2 Master testing offers fire departments powerful, real-time metrics to improve cardiovascular health training, performance readiness, and return-to-duty decisions.
How 5 Thought-Leading Universities Use the VO2 Master Analyzer to Advance Sports Science Research and Education
From type 1 diabetes studies to NCAA athlete testing and sprint cycling research, here’s how 5 thought-leading universities are using the VO2 Master Analyzer to revolutionize metabolic measurement in the lab and the field.
