Running Pace Calculator

Enter your distance and finish time to calculate your running pace — or enter any two of the three variables (pace, time, or distance) to solve for the third. Get your pace per mile or per kilometer, plus estimated finish times for popular race distances like the 5K, 10K, half marathon, and marathon.

Choose which value you want to calculate.

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Results

Your Result

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Pace per Kilometer

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Pace per Mile

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5K Finish Time

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10K Finish Time

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Half Marathon Finish Time

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Marathon Finish Time

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Speed (km/h)

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Speed (mph)

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Estimated Finish Times by Race Distance

Results Table

Frequently Asked Questions

What is a running pace calculator?

A running pace calculator determines how fast you run per unit of distance — typically expressed as minutes per kilometer or minutes per mile. Enter any two of the three variables (pace, time, or distance) and the calculator solves for the third, making it useful for race planning, training, and tracking progress.

How do I calculate my running pace?

Divide your total run time by the distance covered. For example, if you run 5 km in 25 minutes, your pace is 5:00 per kilometer. Our calculator handles this automatically — just enter your time and distance and it will compute your pace instantly.

Who uses a pace calculator?

Pace calculators are used by runners of all levels — beginners learning to pace themselves, recreational runners training for 5Ks, and competitive athletes targeting specific marathon finish times. Cyclists and walkers use them too for any distance-over-time activity.

What can I calculate with a pace calculator?

You can solve for three things: (1) your pace if you know your time and distance, (2) your estimated finish time if you know your pace and race distance, and (3) how far you will travel if you know your pace and how long you plan to run.

What is a good time to run a 5K race?

A good 5K time depends on your fitness level and age. For a recreational runner, finishing under 30 minutes (a 6:00/km pace) is a solid goal. Competitive runners aim for sub-20 minutes (4:00/km), while elite runners break 15 minutes. Any finish time that represents your personal best is a great result.

What pace do I need to run a four-hour marathon?

To finish a marathon in exactly 4 hours, you need to maintain a pace of approximately 5:41 per kilometer (or 9:09 per mile). This pace must be held consistently across all 42.195 km of the race.

What is the difference between pace and speed?

Pace is expressed as time per distance (e.g., 5:30 per km), while speed is expressed as distance per time (e.g., 10.9 km/h). Runners typically use pace because it maps directly to race planning, while cyclists and vehicle tracking more commonly use speed.

How do I convert my pace from min/km to min/mile?

Multiply your min/km pace by 1.60934 to convert to min/mile. For example, a 5:00/km pace equals approximately 8:03/mile. Our calculator automatically shows both values so you don't need to do the conversion manually.

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