Pace Calculator
Calculate running pace, speed, and finish time for any distance — 5K, 10K, half marathon, or marathon.
Input Parameters
Results
Running Pace Guide
Pace = Time ÷ Distance. A pace of 5:00 min/km means you run 1 km every 5 minutes. Use the 80/20 rule — 80% of training at easy pace, 20% at hard effort — to improve endurance and speed safely.
What is the Pace Calculator?
The Pace Calculator is a crucial tool for runners, cyclists, and swimmers. It helps you determine exactly how fast you need to travel per mile or kilometer to finish a race (like a 5K, half-marathon, or full marathon) in your desired goal time.
How It Works (Formula)
Pace is mathematically defined as the ratio of time taken to cover a specific distance. The calculator standardizes your time inputs and divides them by the total distance to yield a "minutes per mile" or "minutes per kilometer" metric.
$$ \text{Pace} = \frac{\text{Total Time}}{\text{Total Distance}} $$
Pace is usually expressed as Minutes : Seconds per unit of distance.
How to Use It
You can solve for any missing variable. If you know you want to run a marathon (26.2 miles) in 4 hours, enter the distance and the time, and the tool will calculate the exact pace you must maintain to achieve that goal.