Build cardio fitness that lasts
Learn how your heart gets fitter, then find your easy pace, your hard pace and the recovery in between, without needing any gear.
What you learn in Cardio
You learn why VO2 max is linked to long-term health, how to find your Zone 2 with a talk test, and when short intervals are worth the effort. The last topics help you draft a weekly plan and a baseline you can track.
VO2 Max & Longevity
How the Heart Adapts to Training
Zone 2 Training
Finding Your Zone 2
High-Intensity Interval Training
Heart Rate Variability
Nasal Breathing & Cardio
Active Recovery
Weekly Cardio Plan
Your Cardio Baseline
Learn it, check it, then try it
Each topic follows the same three steps, so what you learn ends up in your day.
- LessonOne useful idea, explained in a few short screens
- QuizA few questions to check what stuck
- PracticeA small step to try in your own day
Example: the Finding Your Zone 2 topic ends with a practice called Talk Test Walk.
Questions, answered
See all FAQsDo I need a heart rate monitor?
No. The Finding Your Zone 2 topic teaches the talk test, which needs nothing but your voice. If you have a heart rate monitor, the same topic shows you how to use it too.
Is this for beginners?
Yes. It starts with how the heart adapts and builds up to a weekly plan. Choose a pace that feels manageable, and check with a doctor before starting hard exercise if you have a heart condition.
Is LeWell free?
LeWell is free to download. Access to content and any purchase options can vary by account. The app shows the price and renewal terms before you buy.
Begin with Cardio today