Marathon Pace Calculator

Marathon Pace Calculator

Estimate your marathon finish time from your running pace and convert your pace into mph and km/h.

Pace Converter

Enter your pace

Convert min/km or min/mile into speed and race finish times.

Quick presets

min/km

5:00

min/mile

8:03

km/h

12.00

mph

7.46

View race finish times
RaceFinish
5K25:00
10K50:00
Half Marathon1:45:29
Marathon3:30:59

Popular Marathon Pace Guides

How to calculate your marathon time

A marathon is 42.195 kilometres long. Multiply your pace per kilometre by 42.195 to estimate your marathon finish time. For example, a 5:00 per km pace gives an estimated marathon time of around 3 hours and 31 minutes.