Neil, lunch-hour miles
Last week 20
A 10 percent step is 22 miles next week. Skip the jump if you are sore.
Weekly Mileage Increase
Weekly Mileage Increase takes last week and turns them into a number you can read in one sitting. Last week × 1.1. A common training rule of thumb, not a promise. It is a quick sense check in the browser, not a diagnosis.
Your details
Enter last week.
What is this calculator?
Weekly Mileage Increase takes last week and turns them into a number you can read in one sitting. Last week × 1.1. A common training rule of thumb, not a promise. It is a quick sense check in the browser, not a diagnosis.
How it works
- Enter last week in the units on the form.
- We apply the method described under the result.
- Read the number as a sketch. If it worries you, take the original figures to a GP.
Common questions
What is the weekly mileage increase calculator?
It turns last week into a weekly mileage increase figure you can read in one sitting. Use it as a guide, not a diagnosis.
Does this replace my GP?
No. The maths stays in your browser. Speak to a GP if you are worried about your health.
Can I treat the number as a target?
Treat it as a planning figure. Real weeks wobble. If a goal feels extreme, stop and get proper advice.
Example scenarios
Caitlin, Saturday 10K plan
Last week 24.4
A 10 percent step is 26.8 miles next week. Skip the jump if you are sore.
Kwame, first parkrun
Last week 15.6
A 10 percent step is 17.2 miles next week. Skip the jump if you are sore.
Understanding your results
Treat this as a snapshot for weekly mileage increase, not a verdict. If the number worries you, take it to your GP rather than stacking new rules on yourself.
About this result
Guidance only. Calculations run in your browser. Numbers are estimates, not a diagnosis.
How we calculate
Last week × 1.1. A common training rule of thumb, not a promise.
Limitations
- Illustration only.
- Not personal medical advice.
Spotted an error? Request a correction or read our editorial policy.