12-12.9 mph treadmill running speed table

Speeds from 12 to 12.9 mph, with pace, speed conversions and finish times.

Running speed

12-12.9 mph treadmill running speed table
mph km/h min / kmmin / mile 5 km5 miles10 km10 milesHalf marathonMarathon
12.0 19.31 3:06 5:00 15:32 25:00 31:04 50:00 1:05:33 2:11:06
12.1 19.47 3:05 4:58 15:24 24:48 30:49 49:35 1:05:00 2:10:01
12.2 19.63 3:03 4:55 15:17 24:35 30:34 49:11 1:04:28 2:08:57
12.3 19.79 3:02 4:53 15:09 24:23 30:19 48:47 1:03:57 2:07:54
12.4 19.96 3:00 4:50 15:02 24:12 30:04 48:23 1:03:26 2:06:52
12.5 20.12 2:59 4:48 14:55 24:00 29:50 48:00 1:02:56 2:05:51
12.6 20.28 2:58 4:46 14:48 23:49 29:35 47:37 1:02:26 2:04:51
12.7 20.44 2:56 4:43 14:41 23:37 29:21 47:15 1:01:56 2:03:52
12.8 20.6 2:55 4:41 14:34 23:26 29:08 46:53 1:01:27 2:02:54
12.9 20.76 2:53 4:39 14:27 23:15 28:54 46:31 1:00:58 2:01:57

Finish times assume a constant speed, with no stops or changes in effort. Times are rounded to the nearest second.