Calculate your age-graded performance percentage and equivalent 'prime' time based on WMA standards.
Athlete & Race Data
Finish Time
Performance Analysis
Enter your race result to see your age-graded performance.
About this calculator
Overview
Age grading allows runners to compare their performances across different ages and genders. It provides an 'age factor' to adjust your time to what it would theoretically be in your prime (age ~25).
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Pro Tips
90% or above is considered World Class.
80% or above is National Class.
70% or above is Regional Class.
Use this to track your fitness progress as you age, rather than just raw PRs.
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Fun Facts
"The oldest person to complete a marathon was Fauja Singh at age 101."
"100% age grade means you have matched the open world record for your gender."
"Some elite masters athletes actually achieve over 100% due to specific age-group records."
Formula: A performance percentage based on WMA (World Masters Athletics) standards.
