A pace of 10:20/mi is 6:25/km, or 9.3 km/h (5.8 mph). At that pace you finish a 5K in 32:06, a 10K in 1:04:13, a half marathon in 2:15:28 and a marathon in 4:30:56.
Try it at another distance
10K finish times around your target, in 5 seconds steps
Change
Time
Pace
−0:20
1:02:08
6:1310:00
−0:15
1:02:39
6:1610:05
−0:10
1:03:10
6:1910:10
−0:05
1:03:41
6:2210:15
Your target
/mi
+0:05
1:04:44
6:2810:25
+0:10
1:05:15
6:3110:30
+0:15
1:05:46
6:3510:35
+0:20
1:06:17
6:3810:40
Arrow keys nudge the value. Hold Shift for bigger steps.
Finish times at 10:20 per mile
Finish time at this pace for each distance
Distance
Finish time
1K
6:25
1 mile
10:20
5K
32:06
10K
1:04:13
10 miles
1:43:20
Half marathon
2:15:28
Marathon
4:30:56
50K
5:21:03
Splits
Splits per km
km
Split
Elapsed
1
6:25
6:25
2
6:25
12:51
3
6:25
19:16
4
6:25
25:41
5
6:25
32:06
6
6:25
38:32
7
6:25
44:57
8
6:25
51:22
9
6:25
57:47
10
6:25
1:04:13
Splits per mile
Mile
Split
Elapsed
1
10:20
10:20
2
10:20
20:40
3
10:20
31:00
4
10:20
41:20
5
10:20
51:40
6
10:20
1:02:00
Final 0.214 mi
2:13
1:04:13
Equivalent times at other distances
Estimate
Estimated times at other distances (Riegel formula)
Distance
Estimated time
5K
30:48
10 miles
1:46:20
Half marathon
2:21:40
Marathon
4:55:22
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 1:04:13
km6:25/km
16:25
212:51
319:16
425:41
532:06
638:32
744:57
851:22
957:47
101:04:13
mi10:20/mi
110:20
220:40
331:00
441:20
551:40
61:02:00
6.211:04:13
Pace questions runners ask
How long is a marathon at 10:20/mi?
At 10:20/mi a marathon takes 4:30:56 and a half marathon 2:15:28.