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1:20 Half Marathon Pace

To run a half marathon in 1:20:00 you need an average pace of 3:48 per km or 6:06 per mile (15.82 km/h · 9.83 mph).

Pace per km
3:48 /km
Pace per mile
6:06 /mi
Speed
15.82 km/h
Speed
9.83 mph
400 m lap
1:31
Halfway split
40:00

1:20 Half Marathon Pace: splits by kilometer and mile

KilometerElapsed
1 km3:48
2 km7:35
3 km11:23
4 km15:10
5 km18:58
6 km22:45
7 km26:33
8 km30:20
9 km34:08
10 km37:55
11 km41:43
12 km45:30
13 km49:18
14 km53:05
15 km56:53
16 km1:00:40
17 km1:04:28
18 km1:08:15
19 km1:12:03
20 km1:15:50
21 km1:19:38
21.0975 km (finish)1:20:00
MileElapsed
1 mi6:06
2 mi12:12
3 mi18:18
4 mi24:25
5 mi30:31
6 mi36:37
7 mi42:43
8 mi48:49
9 mi54:55
10 mi1:01:02
11 mi1:07:08
12 mi1:13:14
13 mi1:19:20
13.11 mi (finish)1:20:00

Even splits. Print this table or write your key splits on your arm or wristband.

Treadmill setting

Set the treadmill to 9.8 mph (15.8 km/h). Many runners add a 1% incline to better match outdoor effort.

Pacing tips

The half marathon rewards controlled aggression: settle into goal pace in the first 3 km, hold it through 15 km, then use whatever is left for the final 5 km.

Other half marathon goals

Plan any time

Use the running pace calculator for any distance and finish time, or see all race pace charts.