Pace Variation Calculator

Enter a pace and choose a unit to calculate variation splits.

What Is the Pace Variation Calculator?

This tool helps runners and endurance athletes project total finish times based on their target pace. Simply enter your average pace per kilometer or mile (e.g. 5:00), and the calculator will display a 50-distance breakdown for your current pace, as well as variations at -5 seconds and +5 seconds. It's a quick way to visualize how slight adjustments in pacing can impact long-distance events like 5Ks, marathons, or training blocks.