A pace of 3:20/km is 5:22/mi, or 18.0 km/h (11.2 mph). At that pace you finish a 5K in 16:40, a 10K in 33:20, a half marathon in 1:10:20 and a marathon in 2:20:39.
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 3:20 per km
Finish time at this pace for each distance
Distance
Finish time
1K
3:20
1 mile
5:22
5K
16:40
10K
33:20
10 miles
53:39
Half marathon
1:10:20
Marathon
2:20:39
50K
2:46:40
Splits
Splits per km
km
Split
Elapsed
1
3:20
3:20
2
3:20
6:40
3
3:20
10:00
4
3:20
13:20
5
3:20
16:40
6
3:20
20:00
7
3:20
23:20
8
3:20
26:40
9
3:20
30:00
10
3:20
33:20
Splits per mile
Mile
Split
Elapsed
1
5:22
5:22
2
5:22
10:44
3
5:22
16:06
4
5:22
21:27
5
5:22
26:49
6
5:22
32:11
Final 0.214 mi
1:09
33:20
Equivalent times at other distances
Estimate
Estimated times at other distances (Riegel formula)
Distance
Estimated time
5K
15:59
10 miles
55:12
Half marathon
1:13:33
Marathon
2:33:20
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 33:20
km3:20/km
13:20
26:40
310:00
413:20
516:40
620:00
723:20
826:40
930:00
1033:20
mi5:22/mi
15:22
210:44
316:06
421:27
526:49
632:11
6.2133:20
Pace questions runners ask
How long is a marathon at 3:20/km?
At 3:20/km a marathon takes 2:20:39 and a half marathon 1:10:20.