Free tool

Running Pace Calculator

Calculate the pace per kilometer for your athletes and get estimated finish times for popular race distances. Perfect for planning training sessions and setting realistic race goals.

What is running pace?

Pace is the time it takes you to cover one kilometer, expressed in minutes:seconds per kilometer (min/km). It is the most widely used metric by runners to plan training sessions and set race goals.

Hours

Minutes

Seconds

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How to use a running pace calculator

A running pace calculator works in two directions: you can enter your distance and finish time to get your average pace, or you can enter your target pace and distance to see the predicted finish time. Both modes automatically show estimated split times for the most common race distances — 5K, 10K, half marathon and marathon.

Race distanceBeginner paceIntermediate paceAdvanced pace
5K7:00-8:00/km5:30-6:30/km4:00-5:00/km
10K7:30-8:30/km5:45-6:45/km4:15-5:15/km
Half Marathon8:00-9:00/km6:00-7:00/km4:30-5:30/km
Marathon8:30-10:00/km6:30-7:30/km4:45-6:00/km

Why pace matters for training zones

Knowing your pace is essential for structuring training correctly. The classic 80/20 rule — 80% of volume at easy effort, 20% at quality intensity — only works when you know exactly what pace corresponds to each zone for your current fitness level.

Running coaches use pace calculators to set precise workout targets, avoid overtraining and track progress across training cycles. A 10-second improvement in pace per kilometer over a 12-week block is a clear, measurable signal of aerobic adaptation.

Frequently asked questions