Free online tool
Pace calculator
Work out your running pace, finish time or distance, and see the matching times for 5K, 10K, half marathon and marathon.
Works in your browserNothing is sent anywhereNo sign-upFree
I want to find my
Races
Time
Pace
Pace–
Pace per mile–
Speed–
Time–
Distance–
At this pace
Questions
Good to know
What is a good running pace?
It depends on you. Many beginners run 6:30–8:00 per km; what matters most is a pace you can keep and enjoy.
Are the race times exact?
They use the same pace for the whole distance. Most runners slow down a little over longer races.

Photo tools on your phone
15 photo tools in one free Android app: resize, cut out, scan and more. Works offline.