13.1 miles · 21.0975 km

Half Marathon
Pace Chart

Every finish time from 1:20 to 3:30 with the required pace per mile and kilometer.

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What pace do you need to run a half marathon?

A half marathon is 13.1 miles (21.0975 kilometers) — exactly half the marathon distance and one of the most popular race distances in the world. Whether you're chasing a sub-2:00 finish or targeting a specific minute, knowing your required pace before race day is essential.

The table below covers every common half marathon finish time from 1:20 to 3:30 in 5-minute increments. Click any row to load it straight into the calculator. Highlighted rows mark the most common goal times — sub-1:30, sub-1:45, sub-2:00, and sub-2:30.

Half marathon pace chart
Finish time Pace / mile Pace / km Speed (mph)
Half marathon pace calculator
Enter a goal time to find your required pace
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Pace per mile—
Pace per km—
10K split—
Speed—

Half marathon pacing strategy

The half marathon is long enough to punish early mistakes but short enough that you can push harder than a marathon. The key is running the first 5 miles feeling like you have something left, then gradually increasing effort through miles 8-10.

The first 5K
Start 10-15 seconds per mile slower than goal pace. The adrenaline of race day will make it feel easy — that's exactly the trap.
Miles 4-10
Settle into your goal pace and stay there. This is where you bank time — not by going faster, but by staying perfectly consistent.
The final 5K
If you've paced correctly you'll have something left. Miles 10-12 are where you can push. Mile 13 is where you empty the tank.
Use your 10K split
Check your 10K time in the calculator above. At that point you should feel like you could run the first half again — if you don't, you went out too hard.