A pace of 8:00/km is 12:52/mi, or 7.5 km/h (4.7 mph). At that pace you finish a 5K in 40:00, a 10K in 1:20:00, a half marathon in 2:48:47 and a marathon in 5:37:34.
Try it at another distance
10K finish times around your target, in 5 seconds steps
Change
Time
Pace
−0:20
1:16:40
7:4012:20
−0:15
1:17:30
7:4512:28
−0:10
1:18:20
7:5012:36
−0:05
1:19:10
7:5512:44
Your target
/km
+0:05
1:20:50
8:0513:01
+0:10
1:21:40
8:1013:09
+0:15
1:22:30
8:1513:17
+0:20
1:23:20
8:2013:25
Arrow keys nudge the value. Hold Shift for bigger steps.
Finish times at 8:00 per km
Finish time at this pace for each distance
Distance
Finish time
1K
8:00
1 mile
12:52
5K
40:00
10K
1:20:00
10 miles
2:08:45
Half marathon
2:48:47
Marathon
5:37:34
50K
6:40:00
Splits
Splits per km
km
Split
Elapsed
1
8:00
8:00
2
8:00
16:00
3
8:00
24:00
4
8:00
32:00
5
8:00
40:00
6
8:00
48:00
7
8:00
56:00
8
8:00
1:04:00
9
8:00
1:12:00
10
8:00
1:20:00
Splits per mile
Mile
Split
Elapsed
1
12:52
12:52
2
12:52
25:45
3
12:52
38:37
4
12:52
51:30
5
12:52
1:04:22
6
12:52
1:17:15
Final 0.214 mi
2:45
1:20:00
Equivalent times at other distances
Estimate
Estimated times at other distances (Riegel formula)
Distance
Estimated time
5K
38:22
10 miles
2:12:29
Half marathon
2:56:31
Marathon
6:08:01
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 1:20:00
km8:00/km
18:00
216:00
324:00
432:00
540:00
648:00
756:00
81:04:00
91:12:00
101:20:00
mi12:52/mi
112:52
225:45
338:37
451:30
51:04:22
61:17:15
6.211:20:00
Pace questions runners ask
How long is a marathon at 8:00/km?
At 8:00/km a marathon takes 5:37:34 and a half marathon 2:48:47.