Pace Calculator
Pace, time, or distance from the other two.
Loading tool
Enter any two of distance, time, and pace. Units switch between km and miles. The third value is an estimate for even splitting.
How to use this tool
- Enter your measurements. Use the units shown on the labels. Do not send medical data anywhere.
- Read the estimate. These formulas are public rules of thumb, not a diagnosis.
- Talk to a clinician for decisions. Do not change medicine, diet, or training from this page alone.
Even splits
Hills, wind, and fatigue change real splits. Predicted finish times assume a constant pace.
Frequently asked
Can I use a marathon distance preset?
Yes. 5K, 10K, half, and marathon are listed.
Does it account for elevation?
No.
Is this a training plan?
No. It is arithmetic.
Can I convert min/km to min/mile?
Yes. Changing the unit converts the pace.
Are track splits included?
A 400 m split line appears when distance is set.