Pace Calculator

Calculate running pace, finish time, distance, and speed

Last updated: 9/28/2026

Running pace is the time it takes to cover one kilometer or one mile. Enter a time and a distance to get pace and speed, or enter a pace and a distance to get a finish time. This is the general running calculator. Race pages lock the distance and add splits.

Calculator Inputs

Calculate*

Time (HH:MM:SS)

e.g. 30:00 for 30 mins

Distance

Distance Unit*

Pace (MM:SS)

Time per km/mi

Results

Enter values above to see your results

How to use this calculator

Choose what to solve for: pace, time, or distance. The example is 5 kilometers in 30:00, which is 6:00 per kilometer.
Type time as hours:minutes:seconds (30:00 or 00:30:00 both work) and pace as minutes:seconds.
Set the distance unit. Marathon and half marathon fill the official distance for you, so the distance box is ignored for those two options.

How the calculation works

Pace = time ÷ distance. A 30:00 run over 5 km is 6:00 per kilometer. The mile pace is 6:00 × 1.60934, which is 9:39 per mile.

Speed is the inverse. Kilometers per hour = 60 ÷ minutes per kilometer, so 6:00/km is 10 km/h (6.21 mph).

Finish time = pace × distance. At 6:00/km a 10K takes 1:00:00 and a marathon (42.195 km) takes 4:13:10. If you already know the race, the marathon, half, 5K, and 10K calculators print the checkpoint splits this page leaves out.

Which running calculator to use

Use this page for a workout, a custom distance, or any mix of pace, time, and distance. Use a race calculator when the course length is fixed and you want even splits. Use the running speed calculator when the question is km/h or mph. Use the race time predictor when you have one recent race and want a different distance.

Worked example

5 km in 30:00

Pace:30:00 ÷ 5 km= 6:00 /km

Mile pace:6:00 × 1.60934= 9:39 /mile

Speed:60 ÷ 6= 10.0 km/h

Pace for common finish times

Even pace. Marathon is 42.195 km. Half is 21.0975 km.

Pace /km	Pace /mile	5K	10K	Half	Marathon
5:00	8:03	25:00	50:00	1:45:29	3:30:59
5:30	8:51	27:30	55:00	1:56:02	3:52:04
6:00	9:39	30:00	1:00:00	2:06:35	4:13:10
7:00	11:16	35:00	1:10:00	2:27:41	4:55:22

Tips & Best Practices

•A sub-3 hour marathon is 4:16/km or 6:52/mile. A 4:00 marathon is 5:41/km or 9:09/mile.
•Switch the distance unit to Marathon or Half when you want those exact course lengths.

Frequently Asked Questions

What is a good running pace?

It depends on distance and training. Many easy runs fall between 6:00 and 8:00 per kilometer (about 9:39 to 12:52 per mile). A 25:00 5K is 5:00/km. A 4:00 marathon is 5:41/km. Compare your own recent race instead of a single average.

How do you calculate running pace?

Divide the time by the distance. Thirty minutes for 5 km is 6:00 per kilometer. Multiply a min/km pace by 1.60934 to get minutes per mile.

What pace is a sub-3 hour marathon?

Faster than 4:16 per kilometer, or 6:52 per mile, for all 42.195 km.

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