A pace of 7:40/km is 12:20/mi, or 7.8 km/h (4.9 mph). At that pace you finish a 5K in 38:20, a 10K in 1:16:40, a half marathon in 2:41:45 and a marathon in 5:23:30.
Try it at another distance
10K finish times around your target, in 5 seconds steps
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Finish times at 7:40 per km
Finish time at this pace for each distance
Distance
Finish time
1K
7:40
1 mile
12:20
5K
38:20
10K
1:16:40
10 miles
2:03:23
Half marathon
2:41:45
Marathon
5:23:30
50K
6:23:20
Splits
Splits per km
km
Split
Elapsed
1
7:40
7:40
2
7:40
15:20
3
7:40
23:00
4
7:40
30:40
5
7:40
38:20
6
7:40
46:00
7
7:40
53:40
8
7:40
1:01:20
9
7:40
1:09:00
10
7:40
1:16:40
Splits per mile
Mile
Split
Elapsed
1
12:20
12:20
2
12:20
24:41
3
12:20
37:01
4
12:20
49:21
5
12:20
1:01:41
6
12:20
1:14:02
Final 0.214 mi
2:38
1:16:40
Equivalent times at other distances
Estimate
Estimated times at other distances (Riegel formula)
Distance
Estimated time
5K
36:46
10 miles
2:06:57
Half marathon
2:49:09
Marathon
5:52:41
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 1:16:40
km7:40/km
17:40
215:20
323:00
430:40
538:20
646:00
753:40
81:01:20
91:09:00
101:16:40
mi12:20/mi
112:20
224:41
337:01
449:21
51:01:41
61:14:02
6.211:16:40
Pace questions runners ask
How long is a marathon at 7:40/km?
At 7:40/km a marathon takes 5:23:30 and a half marathon 2:41:45.