A pace of 12:30/mi is 7:46/km, or 7.7 km/h (4.8 mph). At that pace you finish a 5K in 38:50, a 10K in 1:17:40, a half marathon in 2:43:52 and a marathon in 5:27:44.
Try it at another distance
10K finish times around your target, in 5 seconds steps
Change
Time
Pace
−0:20
1:15:36
7:3412:10
−0:15
1:16:07
7:3712:15
−0:10
1:16:38
7:4012:20
−0:05
1:17:09
7:4312:25
Your target
/mi
+0:05
1:18:11
7:4912:35
+0:10
1:18:42
7:5212:40
+0:15
1:19:13
7:5512:45
+0:20
1:19:45
7:5812:50
Arrow keys nudge the value. Hold Shift for bigger steps.
Finish times at 12:30 per mile
Finish time at this pace for each distance
Distance
Finish time
1K
7:46
1 mile
12:30
5K
38:50
10K
1:17:40
10 miles
2:05:00
Half marathon
2:43:52
Marathon
5:27:44
50K
6:28:21
Splits
Splits per km
km
Split
Elapsed
1
7:46
7:46
2
7:46
15:32
3
7:46
23:18
4
7:46
31:04
5
7:46
38:50
6
7:46
46:36
7
7:46
54:22
8
7:46
1:02:08
9
7:46
1:09:54
10
7:46
1:17:40
Splits per mile
Mile
Split
Elapsed
1
12:30
12:30
2
12:30
25:00
3
12:30
37:30
4
12:30
50:00
5
12:30
1:02:30
6
12:30
1:15:00
Final 0.214 mi
2:40
1:17:40
Equivalent times at other distances
Estimate
Estimated times at other distances (Riegel formula)
Distance
Estimated time
5K
37:15
10 miles
2:08:37
Half marathon
2:51:22
Marathon
5:57:18
These are estimates from the Riegel formula, T2 = T1 × (D2 ÷ D1)^1.06. They assume you’ve trained for the other distance, so treat them as a guide, not a promise.
10K 1:17:40
km7:46/km
17:46
215:32
323:18
431:04
538:50
646:36
754:22
81:02:08
91:09:54
101:17:40
mi12:30/mi
112:30
225:00
337:30
450:00
51:02:30
61:15:00
6.211:17:40
Pace questions runners ask
How long is a marathon at 12:30/mi?
At 12:30/mi a marathon takes 5:27:44 and a half marathon 2:43:52.