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Pace Calculator

Calculate running pace, time and speed — with 5K, 10K, half and full marathon splits.

  • Runs in your browser
  • No upload on server
  • Free, forever
  1. Enter values
  2. See result
  3. Copy or share
Solve for
Unit
Time (hh:mm:ss)
Result
Distance
10 km
Time
50:00
Pace / km
5:00
Splits
kmCumulative time
15:00
210:00
315:00
420:00
525:00
630:00
735:00
840:00
945:00
1050:00
How this works
  • Choose what you want to solve for — pace, total time, or distance.
  • Fill in the other two fields, using the preset chips for common race distances.
  • Read the splits table to plan a steady race-day effort.

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