A pace of 5:50/km is 9:23/mi, or 10.3 km/h (6.4 mph). At that pace you finish a 5K in 29:10, a 10K in 58:20, a half marathon in 2:03:04 and a marathon in 4:06:08.
Try it at another distance
10K finish times around your target, in 5 seconds steps
Arrow keys nudge the value. Hold Shift for bigger steps.
Finish times at 5:50 per km
Finish time at this pace for each distance
Distance
Finish time
1K
5:50
1 mile
9:23
5K
29:10
10K
58:20
10 miles
1:33:53
Half marathon
2:03:04
Marathon
4:06:08
50K
4:51:40
Splits
Splits per km
km
Split
Elapsed
1
5:50
5:50
2
5:50
11:40
3
5:50
17:30
4
5:50
23:20
5
5:50
29:10
6
5:50
35:00
7
5:50
40:50
8
5:50
46:40
9
5:50
52:30
10
5:50
58:20
Splits per mile
Mile
Split
Elapsed
1
9:23
9:23
2
9:23
18:47
3
9:23
28:10
4
9:23
37:33
5
9:23
46:56
6
9:23
56:20
Final 0.214 mi
2:00
58:20
Equivalent times at other distances
Estimate
Estimated times at other distances (Riegel formula)
Distance
Estimated time
5K
27:59
10 miles
1:36:36
Half marathon
2:08:42
Marathon
4:28:21
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 58:20
km5:50/km
15:50
211:40
317:30
423:20
529:10
635:00
740:50
846:40
952:30
1058:20
mi9:23/mi
19:23
218:47
328:10
437:33
546:56
656:20
6.2158:20
Pace questions runners ask
How long is a marathon at 5:50/km?
At 5:50/km a marathon takes 4:06:08 and a half marathon 2:03:04.