Half Marathon Pace Calculator

Your details

Choose whether you want to find your required pace or your projected finish time.
Your target half marathon finish time in h:mm:ss format, e.g. 1:45:00.
Finish timeSub-2:30
2:00:00

Projected half marathon finish time (h:mm:ss)

Pace per km5:41 /km
Pace per mile9:09 /mi
Halfway split (10.55 km)1:00:00
Speed10.55km/h
Speed6.55mph
Easy pace6:56 /km
Tempo / threshold pace5:34 /km
Interval pace5:09 /km
10.55 km/h
Beginner pace<8Recreational8-11Club runner11-14Competitive14-17Elite17+

Your projected finish time is 2:00:00.

  • You need to hold 5:41 /km (9:09 /mi) for the full 13.1 miles (21.1 km).
  • A finish under 2:30 is a solid result for most recreational runners.
  • Pass the 10.55 km halfway mark at 1:00:00 to stay on target.
  • Plan a negative split: aim to run the second half 1-2 minutes faster than the first for a stronger finish.

Next stepUse the splits schedule below to plan your kilometre-by-kilometre effort and avoid going out too fast in the first 5 km.

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