RUNNING PACE CALCULATOR

Running Pace Calculator

Calculate your pace per kilometer from a Marathon goal time. You can also estimate finish time from pace and check split times for each distance.

01

Calculate From Goal Time

Enter your Marathon goal time

02

Calculate From Pace per km

Enter your time to run 1 km

RESULT

Results

Marathon at 4:00:00

Pace per km5:41/km
Marathon Finish Time4:00:00
Per 50 m17.1 sec
Treadmill Setting10.5 km/h

Split Times by Distance

DistanceSplit Time

These are simple calculations assuming a constant pace. Hydration, rest stops, terrain, and course conditions are not included.

PACE GUIDE

Marathon Pace Benchmarks

GoalPace per kmPer 50 m
Sub-4 (under 4 hours)About 5:41/kmAbout 17.1 sec
3 hours 45 minutesAbout 5:20/kmAbout 16.0 sec
3 hours 30 minutesAbout 4:59/kmAbout 14.9 sec

How to Use the Running Pace Calculator

Use "Calculate From Goal Time" when you already have a target finish time. Use "Calculate From Pace per km" when you want to estimate finish time from your regular 1 km pace. The results also show split times for 5 km, 10 km, half marathon, 30 km, and marathon distances.