Insider access to the world of elite athlete performance.
The science, the stories, and the solutions — from the team working directly with the athletes pushing the boundaries of what's possible.
Why API Access?
Athlete stories, backed by data
Real insights from real athletes — what we measured, what we found, and what it means for product and performance.
Cutting-edge applied science
We translate complex physiology into clear, actionable takeaways you can actually use in your work.
Insider access
See what the Applied Performance Innovation team is working on before anyone else — the problems we're solving and the breakthroughs we're chasing.
Data Drops
Our science. Our findings. Direct from the source.
Athlete Stories
Time spent. Lessons learned.
Stories from the field are coming
First-hand accounts from time spent with the athletes who push boundaries every day.
Coming SoonMore on the way
The lessons we've learned — and the moments that changed how we think about performance.
Coming SoonBeyond Our Walls
What the world is discovering.
Your brain after 50km: ultramarathon racing alters executive function
76 runners. Mobile EEG. The first large-sample evidence that ultramarathon racing reduces neural activity tied to inhibitory control and attention.
Hot baths, more oxygen: passive heat acclimation boosts VO₂max by 4.4%
5 weeks of hot water immersion increased hemoglobin mass and expanded the heart's stroke volume in trained runners — without changing their training.
7.65 seconds away: the physiology of a women's sub-4 minute mile
A viewpoint on what it takes to break the barrier — and the 10 commentary letters it sparked from researchers worldwide.