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Card No. 06·69243 · Updated · Standard formula, shown below

Average pace 5.00 min/km
Average speed
12.00 km/h
Result
Finish time
50 min
You entered
Distance
10 km
You entered
You enter
Finish time, Distance
You get
Average pace, Average speed
Rounding
2 dp

Yes, Visual Studio Code can run code directly, but it does not execute programs on its own. You use the built-in terminal, the Run menu, or an extension like Code Runner to execute your file, and the exact method depends on the language and whether you need to pass arguments or set up a debugger.

Formula

The calculator works out your average pace and speed for a run, walk, or cycle. You enter the finish time in minutes and the distance in kilometers, and it returns the pace in minutes per kilometer and the speed in kilometers per hour.

The formulas are:

  • Pace = Time (min) ÷ Distance (km)
  • Speed = Distance (km) ÷ (Time (min) ÷ 60)

Variables:

  • t – finish time in minutes (min)
  • d – distance in kilometers (km)
  • pace – average pace in minutes per kilometer (min/km)
  • speed – average speed in kilometers per hour (km/h)

Worked Example

Using the default values from the calculator: t = 50 minutes, d = 10 km.

  1. Pace = 50 ÷ 10 = 5.0 min/km
  2. Speed = 10 ÷ (50 ÷ 60) = 10 ÷ 0.8333 = 12.0 km/h

The calculator shows a pace of 5.00 min/km and a speed of 12.00 km/h.

When to Use This Calculator

Use this tool when you finish a run, walk, or bike ride and want to know your average pace or speed. It works for any distance, from a 5 km park run to a marathon (42.195 km). You can also use it to plan a target pace: if you want to run 10 km in 50 minutes, you know you need to hold 5:00 per kilometer.

Pace is the standard metric in most running apps and races outside the US, while speed is more common in cycling and driving. Both are useful depending on your sport and region.

How to Read the Result

The pace result is in minutes per kilometer (min/km). A lower number means faster running. For example, 4:30 min/km is faster than 5:00 min/km. The speed result is in kilometers per hour (km/h); a higher number means faster movement.

If you prefer miles, convert by dividing the pace in min/km by 1.609 to get min/mile, or multiply the speed in km/h by 0.621 to get mph. For instance, 5:00 min/km ≈ 8:03 per mile, and 12 km/h ≈ 7.5 mph.

Common Mistakes

  • Mixing units: Entering distance in miles but time in minutes gives a wrong pace. Convert miles to km first (1 mile = 1.609 km).
  • Using seconds instead of minutes: If you time yourself in seconds, divide by 60 before entering.
  • Rounding too early: Round only the final answer, not intermediate steps, to avoid small errors.
  • Confusing pace and speed: Pace is time per distance; speed is distance per time. They are reciprocals, not the same.

Limitations of the Formula

This calculator gives an average pace and speed over the whole distance. It does not account for elevation gain, stops, or uneven terrain. Your instantaneous pace during hills or sprints will differ. For interval training, you need a GPS watch or app that records splits.

The formula assumes constant speed, which is rarely true in practice. It is still the standard way to compare overall performance across runs.

Frequently Asked Questions

How do I convert my pace to min/mile?

Multiply the pace in min/km by 1.609. For example, 5:00 min/km × 1.609 = 8:03 per mile. If you have a pace like 4:30, convert to decimal (4.5) first, then multiply.

What is a good running pace for a beginner?

A comfortable conversational pace is typically between 6:00 and 7:30 min/km (about 9:40 to 12:00 per mile). This varies widely with age, fitness, and terrain. Use this calculator to find your current average, then aim to improve gradually.

Can I use this for walking or cycling?

Yes, the math is the same for any activity where you cover distance over time. For cycling, speed in km/h is more common than pace, but both are calculated identically.

Why does my GPS watch show a different pace?

GPS devices measure instantaneous pace and may average over short intervals. They also account for elevation and GPS drift. Your watch might show a slightly faster or slower pace than the overall average from this calculator.

How do I calculate pace for a half marathon?

A half marathon is 21.0975 km. Enter that distance and your target finish time in minutes. For example, 1:45:00 = 105 minutes, so pace = 105 ÷ 21.0975 = 4.98 min/km (about 5:00).

Related

Formula used
in t | Finish time | min | 50 | 0
in d | Distance | km | 10 | 0 | 100000
out pace | Average pace | min/km | t / d | 2
out speed | Average speed | km/h | d / (t / 60) | 2

Each line is one input (in, sel, list) or one result (out: label, unit, formula, decimals). How the calculators work

Method: the standard formula for this calculation, rounded as each result states. See how the calculators work or report an error.

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