Running pace is the time needed to cover one kilometre, expressed in minutes and seconds (min/km). It is a key parameter for every runner — it lets you control your effort, plan training and predict your finishing time at a race. In this article we show how to calculate it.
The Running Pace Formula
Pace is the total time divided by the distance:
Pace [min/km] = time [min] / distance [km]
The result is given in the minutes:seconds format. To convert the decimal fraction of a minute into seconds, we multiply the part after the decimal point by 60.
Calculation Example
A runner covered 10 km in 55 minutes:
- Pace = 55 / 10 = 5.5 min/km
- Converting 0.5 of a minute into seconds: 0.5 × 60 = 30 seconds
- We write the pace as 5:30 min/km
Pace and Speed
Pace and speed are two ways of describing the same movement. We calculate speed in km/h from the formula:
Speed [km/h] = 60 / pace [min/km]
For a pace of 5:30 (that is 5.5 min/km): 60 / 5.5 = 10.9 km/h. Runners more often use pace, cyclists use speed.
Planning a Run for a Target Time
To run a chosen distance in a set time, we reverse the formula:
Target pace = target time / distance
Example: you want to run a half marathon (21.1 km) in 2 hours (120 minutes). Pace = 120 / 21.1 = 5.69 min/km, or about 5:41 min/km. You need to hold this pace for the whole distance.
Types of Training Paces
- Recovery pace — very calm, easy conversation without getting out of breath
- Base (easy) pace — most of your training, building endurance
- Threshold pace — a fast, controlled effort at the edge of comfort
- Interval pace — short, very fast segments with breaks
Typical Paces at Popular Distances
- 5 km in 30 min — pace 6:00 min/km (beginner level)
- 10 km in 50 min — pace 5:00 min/km (intermediate level)
- Marathon in 4 hours — pace 5:41 min/km
- Marathon in 3 hours — pace 4:16 min/km (advanced level)
How to Maintain an Even Pace
The most common beginner mistake is starting too fast. It is better to spread your effort evenly or speed up in the second half (the so-called negative split). A sports watch with GPS helps control your pace on the fly, warning you when you slow down or speed up beyond the set range.
Don't want to do the maths in your head? Our running pace calculator on liczbnik.pl will convert time and distance into pace and speed — and help you plan a run for your dream result.