Compare calculators

Both calculators run independently — change the inputs on either side to compare results.

Race Time Predictor

Predict your finish time at any race distance using a recent result from a different distance. Ideal for setting realistic goals when stepping up from a 5K to a half marathon or full marathon.

Known Race Distance

Known Time (Hours) (hr)

Known Time (Minutes) (min)

Target Race Distance

Fill in the required fields to see your result.

Running

Race Pace Calculator

Find the exact per-mile or per-kilometer pace you need to hit your finish-line goal. Enter your race distance and target time to instantly see the required split.

Race Distance (miles)

Goal Time Hours (hours)

Goal Time Minutes (minutes)

Fill in the required fields to see your result.

Key differences

	Race Time Predictor	Race Pace Calculator
Category	Running	Running
Inputs required	4	3
Result	Predicted Time (minutes)	Target Pace (min/mile)
What it does	Predict your finish time at any race distance using a recent result from a different distance. Ideal for setting realistic goals when stepping up from a 5K to a half marathon or full marathon.	Find the exact per-mile or per-kilometer pace you need to hit your finish-line goal. Enter your race distance and target time to instantly see the required split.