A pace of 6:20/mi is 3:56/km, or 15.2 km/h (9.5 mph). At that pace you finish a 5K in 19:41, a 10K in 39:21, a half marathon in 1:23:02 and a marathon in 2:46:03.
Try it at another distance
10K finish times around your target, in 5 seconds steps
Change
Time
Pace
−0:20
37:17
3:446:00
−0:15
37:48
3:476:05
−0:10
38:19
3:506:10
−0:05
38:50
3:536:15
Your target
/mi
+0:05
39:52
3:596:25
+0:10
40:23
4:026:30
+0:15
40:54
4:056:35
+0:20
41:25
4:096:40
Arrow keys nudge the value. Hold Shift for bigger steps.
Finish times at 6:20 per mile
Finish time at this pace for each distance
Distance
Finish time
1K
3:56
1 mile
6:20
5K
19:41
10K
39:21
10 miles
1:03:20
Half marathon
1:23:02
Marathon
2:46:03
50K
3:16:46
Splits
Splits per km
km
Split
Elapsed
1
3:56
3:56
2
3:56
7:52
3
3:56
11:48
4
3:56
15:44
5
3:56
19:41
6
3:56
23:37
7
3:56
27:33
8
3:56
31:29
9
3:56
35:25
10
3:56
39:21
Splits per mile
Mile
Split
Elapsed
1
6:20
6:20
2
6:20
12:40
3
6:20
19:00
4
6:20
25:20
5
6:20
31:40
6
6:20
38:00
Final 0.214 mi
1:21
39:21
Equivalent times at other distances
Estimate
Estimated times at other distances (Riegel formula)
Distance
Estimated time
5K
18:53
10 miles
1:05:10
Half marathon
1:26:50
Marathon
3:01:02
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 39:21
km3:56/km
13:56
27:52
311:48
415:44
519:41
623:37
727:33
831:29
935:25
1039:21
mi6:20/mi
16:20
212:40
319:00
425:20
531:40
638:00
6.2139:21
Pace questions runners ask
How long is a marathon at 6:20/mi?
At 6:20/mi a marathon takes 2:46:03 and a half marathon 1:23:02.