Sports

Age Grade Calculator

Compare your race time to the age-and-gender standard.

Age-graded standard time

Your time

Calculated Output

Age grade (%) 81.818

Formula: age grade = standard ÷ your time × 100

Step-by-Step Breakdown

1. Values used:

2. Age-graded standard time = 900

3. Your time = 1,100

5. Age grade = 81.818%

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The math behind it

age grade = standard time ÷ your time × 100. Over 90% is world-class; 60% is local-class.

Standard 15:00 (900 s), you ran 18:20 (1100 s) → about 82%.

Where do standards come from?

Published age-grading tables (e.g. WMA) by distance, age and gender.