Aspire training-load calculator
Session RPE.
Combine the overall difficulty of a session with its duration to create one practical internal-load number.
Calculate training load.
Rate the whole session from 0 to 10, ideally around 30 minutes after it ends.
Session load420AU
Free report
Email your result and tracking guidance.
ASPIRE.
Your result:
How to use it
Compare weekly totals and similar session types against your own baseline. A single number does not diagnose recovery or readiness.
Public evidence
Method and limitations.
Equation: session duration in minutes x session RPE.
The arbitrary-unit score is primarily useful for monitoring the same athlete across time.