How it works
No black-box AI: established training rules, applied to your data, all explained. Every metric has its own page: what it is, how it’s calculated, how to read it, what it’s used for and its limits.
ACWR
Acute:Chronic Workload Ratio (ACWR)
The ACWR (Acute:Chronic Workload Ratio) compares your recent training load with the load your body is used to.
Read more →TSBFreshness (TSB): fitness minus fatigue
The gap between your fitness and your fatigue.
Read more →DecouplingCardiac drift (decoupling)
Measures how much your heart rate climbs late in a run when your pace stays the same.
Read more →TRIMPSession load (TRIMP)
A number that sums up the internal effort of a session.
Read more →What Runalis is not
Runalis is not medical advice. If you feel pain, stop and see a health professional.
Formulas are models: they describe population averages, not you precisely.
