A pace of 3:00/km is 4:50/mi, or 20.0 km/h (12.4 mph). At that pace you finish a 5K in 15:00, a 10K in 30:00, a half marathon in 1:03:18 and a marathon in 2:06:35.
Try it at another distance
10K finish times around your target, in 5 seconds steps
Change
Time
Pace
−0:20
26:40
2:404:17
−0:15
27:30
2:454:26
−0:10
28:20
2:504:34
−0:05
29:10
2:554:42
Your target
/km
+0:05
30:50
3:054:58
+0:10
31:40
3:105:06
+0:15
32:30
3:155:14
+0:20
33:20
3:205:22
Arrow keys nudge the value. Hold Shift for bigger steps.
Finish times at 3:00 per km
Finish time at this pace for each distance
Distance
Finish time
1K
3:00
1 mile
4:50
5K
15:00
10K
30:00
10 miles
48:17
Half marathon
1:03:18
Marathon
2:06:35
50K
2:30:00
Splits
Splits per km
km
Split
Elapsed
1
3:00
3:00
2
3:00
6:00
3
3:00
9:00
4
3:00
12:00
5
3:00
15:00
6
3:00
18:00
7
3:00
21:00
8
3:00
24:00
9
3:00
27:00
10
3:00
30:00
Splits per mile
Mile
Split
Elapsed
1
4:50
4:50
2
4:50
9:39
3
4:50
14:29
4
4:50
19:19
5
4:50
24:08
6
4:50
28:58
Final 0.214 mi
1:02
30:00
Equivalent times at other distances
Estimate
Estimated times at other distances (Riegel formula)
Distance
Estimated time
5K
14:23
10 miles
49:41
Half marathon
1:06:12
Marathon
2:18:00
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 30:00
km3:00/km
13:00
26:00
39:00
412:00
515:00
618:00
721:00
824:00
927:00
1030:00
mi4:50/mi
14:50
29:39
314:29
419:19
524:08
628:58
6.2130:00
Pace questions runners ask
How long is a marathon at 3:00/km?
At 3:00/km a marathon takes 2:06:35 and a half marathon 1:03:18.