Functional Reserve Capacity (frc)


The total amount of work that can be done during continuous exercise above FTP before fatigue occurs. Units are kJ or J/kg.

Learn More:
Syntax for formulas:

frc(meanmax(power),90)   <returns functional reserve capacity in kilo joules based off last 90 days>

Additional Syntax:

coming soon

Common examples:

FRC is a rating of maximal and can be used at the athlete level.  Note, the "90" in the formula utilizes the last 90 days and can be adjusted

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    Supplied by Dr. Andrew Coggan

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