Running Calculators›How Long to Run›Run a half marathon
21.10 km · 13.11 miles

How Long Does It Take to Run A half marathon?

At an easy-to-moderate 6:00 per km (9:39 per mile), a half marathon takes 2:06:35. Here is your time at every pace from 4:00 to 9:00 per km.

At 5:00 /km
1:45:29
8:03 /mile · 12 km/h
At 6:00 /km
2:06:35
9:39 /mile · 10 km/h
At 7:00 /km
2:27:41
11:16 /mile · 8.6 km/h
Walking
4:22:11
at 3 mph

Use your own numbers: open the how long to run calculator →

Time to run a half marathon by pace

Pace /kmPace /mileSpeedFinish time
4:006:2615.0 km/h · 9.3 mph1:24:23
4:307:1513.3 km/h · 8.3 mph1:34:56
5:008:0312.0 km/h · 7.5 mph1:45:29
5:308:5110.9 km/h · 6.8 mph1:56:02
6:009:3910.0 km/h · 6.2 mph2:06:35
6:3010:289.2 km/h · 5.7 mph2:17:08
7:0011:168.6 km/h · 5.3 mph2:27:41
7:3012:048.0 km/h · 5.0 mph2:38:14
8:0012:527.5 km/h · 4.7 mph2:48:47
8:3013:417.1 km/h · 4.4 mph2:59:20
9:0014:296.7 km/h · 4.1 mph3:09:53
Finish time for a half marathon by pace

What is a good time?

“Good” depends on age, sex and experience. Beginners are usually well served by finishing comfortably; regular runners can compare themselves using age grading. See good running times by age and the age grading calculator, or predict your time from another race with the race time predictor.

Other distances

Last reviewed: October 2026 · Health disclaimer

FAQ

Running a half marathon: questions

At a 6:00 per km (9:39 per mile) pace, a half marathon takes 2:06:35. At 5:00 per km it takes 1:45:29 and at 7:00 per km 2:27:41.

A half marathon is 21.098 km (13.11 miles).

About 4:22:11 at an average walking speed of 3 mph.