Running Pace Calculator (5K, 10K, half & marathon)
Enter a distance and time to get your pace, or a pace to see your finish time for popular race distances.
For general information only, not medical advice. Speak to your GP, midwife or a health professional about your own health.
How it works
Pace = time Γ· distance. Speed = distance Γ· time.
We show pace per km and per mile, and predicted finish times at the same pace for 5K, 10K, half marathon (21.1 km) and marathon (42.2 km).
Frequently asked questions
What's a good 5K time?+
Many casual runners finish a parkrun in 25β35 minutes. Under 20 minutes is quick for amateurs.