Running Pace Calculator | Convert Speed to Pace and Vice Versa

Running Pace Calculator

Calculate Pace
Calculate Speed
Calculate Splits

About Running Pace and Speed

Pace and speed are two ways to measure how fast you're moving. Pace is how much time it takes to cover a certain distance (e.g., minutes per mile), while speed is how much distance you cover in a certain time (e.g., miles per hour).

Common Race Distances:

Distance Miles Kilometers
5K 3.107 5.0
10K 6.214 10.0
Half Marathon 13.109 21.097
Marathon 26.219 42.195

Pace Conversion:

To convert between min/mile and min/km:

  • min/mile to min/km: Divide by 1.609 (or multiply by 0.621)
  • min/km to min/mile: Multiply by 1.609 (or divide by 0.621)

Training Tips:

  • Use splits to maintain consistent pacing during races
  • Most runners should train at various paces (easy, tempo, interval)
  • Your race pace should feel challenging but sustainable