What VO2 max can tell you about your fitness
A practical guide to reading VO2 max as a trend, not a single score.
VO2 Lab Blog
Cardio fitness guides, training notes, and app updates.
Practical writing for people who want to understand VO2 max, build endurance, and make better use of fitness data.
How steady training changes your aerobic base
Why consistency, recovery, and easy efforts matter for long-term cardio gains.
Building VO2 Lab for everyday athletes
Product notes on making cardio fitness data easier to understand on iPhone.