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Runner's World Age Grade Calculator Running

Age Grade Formula:

\[ Percentage = \left( \frac{Age\ standard}{Time} \right) \times 100 \]

minutes
minutes

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1. What is Age Grading?

Age grading allows runners to compare their race times against standard times for their age and gender. It provides a percentage score where 100% is the world record level for that age group.

2. How Does the Calculator Work?

The calculator uses the age grade formula:

\[ Percentage = \left( \frac{Age\ standard}{Time} \right) \times 100 \]

Where:

Explanation: The formula compares your performance against the standard time for your age group, expressing it as a percentage.

3. Importance of Age Grading

Details: Age grading allows fair comparison of performances across different age groups and helps runners track their progress as they age.

4. Using the Calculator

Tips: Enter both the age standard time (for your age/gender/distance) and your actual time in minutes. Both values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: Where can I find age standard times?
A: Standard times are published by World Masters Athletics and other running organizations for various distances.

Q2: What is a good age grade percentage?
A: Over 60% is respectable, over 70% is good, over 80% is excellent, and over 90% is world-class.

Q3: Does this work for all race distances?
A: Yes, but you need the appropriate standard time for your specific race distance.

Q4: How does age grading account for gender differences?
A: There are separate standard times for men and women for each age group.

Q5: Can I use this for training purposes?
A: Yes, tracking your age grade over time can show if you're maintaining fitness as you age.

Runner's World Age Grade Calculator Running© - All Rights Reserved 2025