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by Dockia Labs

SPORTPLAN

A clearer way to discover events, build your season, and keep results in one place.

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© 2026 SportPlan. All rights reserved.

by Dockia Labs

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HomeCalculatorsPace calculatorHalf marathon pace calculator
Free tool

Half marathon pace calculator

Set the goal. Lock the pace.

Enter your half marathon goal time. We hand you the per-km and per-mile target pace.

Updated May 18, 2026
What do you want to know?
Units
1
What you ran
Pick a preset or type any distance.
km
Try:
2
How long it took
Hours, minutes, seconds.
Hours
Minutes
Seconds
Examples
Pace
5:00
min/km · ≈ 8:03 min/mi

You ran 10K in 50:00 — that's 5:00 per km.

Pace
5:00
Time
50:00
Distance
10.00 km
Find 10K races at this pace
At this pace, your race times would be
5K
25:00
10K
50:00
15K
1:15:00
Half marathon
1:45:29
Marathon
3:30:59
50K
4:10:00
Split times (10 km)

Common half marathon targets

Pace per km/mile for popular half marathon goals. Half marathon is the sweet spot — long enough to test endurance, short enough to fit a normal training block.

Target timeRequired paceNotes
1:15:003:33/km · 5:43/miElite amateur. Sub-1:15 club.
1:30:004:16/km · 6:52/miA common breakthrough goal.
1:45:004:58/km · 8:00/miStrong intermediate target.
2:00:005:41/km · 9:09/miThe most popular goal.
2:15:006:24/km · 10:18/miA great first-half target.
More pace calculators & guides
What is a good half marathon time?Marathon pace calculator10K pace calculator5K pace calculatorUltra pace calculatorGeneral pace calculator