5K Pace Calculator

Find the pace you need for your goal 5K time.

How it is calculated

The goal time is entered in decimal minutes and the tool returns the pace needed over a 5 km course. Per kilometre: pace = goal ÷ 5. Per mile: pace = goal ÷ 3.10686, where 3.10686 is 5 km expressed in miles. Each pace is split into whole minutes and seconds, the seconds are rounded to the nearest whole second, and the result is shown as min:sec. The distance is fixed at 5 km and there is no pace-to-time direction. Goals shorter than 10 minutes or longer than 1000 minutes show no result, and neither does a time typed with a colon such as 24:30.

Worked example

Your goal is 24 minutes 30 seconds. In decimal minutes that is 24 + 30 ÷ 60 = 24.5. Per kilometre: 24.5 ÷ 5 = 4.9 min, and 0.9 min is 54 seconds, so the pace is 4:54 /km. Per mile: 24.5 ÷ 3.10686 = 7.886 min, and 0.886 min is about 53 seconds, giving 7:53 /mi. Holding 4:54 in every kilometre puts you on the line at 24:30.

Try this example →

Common mistakes

  • Typing 24.30 for 24 minutes 30 seconds. The field reads 24.3 minutes (24 min 18 s), so the pace comes out about 2 seconds per kilometre too fast.
  • Typing the time as 24:30 with a colon. The tool shows no result for it; use 24.5.
  • Entering the goal in seconds (1470) or in hours. Only minutes between 10 and 1000 give a result, and 1470 is out of range.
  • Using the mile pace on a kilometre-marked course, or the other way round. Read the line that matches the markers on the course.
  • Running the first kilometre much faster than the goal pace. The tool assumes the same pace in every kilometre.

About this calculator

This calculator turns a target finish time for a 5 kilometer race into the pace per kilometer and per mile needed to achieve it, using the straightforward relationship between distance, time, and speed. You enter the goal time in minutes (for example, 25 for 25 minutes, or 27.5 for 27 minutes 30 seconds) and it shows the exact pace to hold throughout the run. It works from time to pace only; to see what finish time a given pace would produce, multiply your pace per kilometer by 5.

Runners training for a 5K use it to plan pacing strategy before a race, checking whether a goal time is realistic based on recent training paces, or setting mile or kilometer split targets to hit during the run itself. It's also handy for expressing race results as a pace when comparing performances.

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