Target Pace Calculator
A free, browser-based calculator. Runs entirely in your browser — no sign up, nothing stored.
100% FreeRuns in your browserBasic
Enter details
Distance(km)
Goal time
::
Result
Fill in the fields to see your result.
Estimate only — real results depend on terrain, weather, fatigue, conditions and individual fitness. Not medical or coaching advice.
How to use this calculator
- Enter the distance (km) and your goal time.
- Read the pace per km / mile you need.
How it works
Required pace per km = goal time ÷ distance.
Worked example
Sub-4 marathon. 42.195 km in 4:00:00 needs about 5:41 /km.
Tips
- Times are estimates only — not medical or coaching advice. Always train safely and follow event rules.
- Distances are editable: choose “Custom…” to enter your own course lengths.
Frequently asked questions
Does it allow for fade?
No — it's an even-pace target. Use the Negative Split Planner to plan a faster second half.
Related tools
Tip: Enter any known values to calculate the remaining results.
All calculations run in your browser. Your inputs are never saved or transmitted.