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Pace calculator

Any two of pace, time and distance give the third, with splits to the mat.

Marathon in 4:00:00

9:09per mile · 5:41/km · 6.6 mph

Any two of three

Distance

Splits at an even pace

  1. 5K3.1 mi28:26
  2. 10K6.2 mi56:53
  3. 15K9.3 mi1:25:19
  4. 20K12.4 mi1:53:45
  5. Halfway13.1 mi2:00:00
  6. 25K15.5 mi2:22:12
  7. 30K18.6 mi2:50:38
  8. 35K21.7 mi3:19:05
  9. 40K24.9 mi3:47:31
  10. Finish26.2 mi4:00:00
A faster or slower second half
All numbers5 rows

If your watch reads the course long, the average pace it shows for 4:00:00

Watch readsAverage it shows
26.2 mi (exact)9:09/mi
26.3 mi (+0.5%)9:06/mi
26.5 mi (+1.0%)9:04/mi
26.6 mi (+1.5%)9:01/mi
26.7 mi (+2.0%)8:58/mi

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