Blog
Plain-language explainers on the metrics behind your training and the science we build on.
· Runima Team
Running Shoes: A Century of Myths and the Real Science
Do stability shoes, arch support, or barefoot running hold up to evidence? How to choose training and race shoes—and build genuinely stronger feet.
· Runima Team
Running Economy: The 30% of Your Energy You're Leaking
What running economy is, why it can separate two runners with identical VO₂max by minutes, and the science-backed ways to improve yours.
· Runima Team
How to Run Faster With a Lower Heart Rate
How to run faster with a lower heart rate — the physiology behind it, what actually changes in your body, and how long each adaptation takes.
· Runima Team
Lactate Threshold: Your Hidden Redline
Your lactate threshold predicts race pace better than VO₂max. What LT1 and LT2 are, how to test them, and how to push your threshold higher.
· Runima Team
The VO₂max Trap: Why One Number Won't Win Your Race
How to actually raise your VO₂max — whatever your body or budget — and why this single number was never what decided your races.
· Runima Team
Introducing Runima: Coach-Grade Running Analytics, Free
Runima turns your smartwatch activity history into the training-load, readiness, and performance analysis serious runners act on — and it's free.