3:50 per km pace

A pace of 3:50/km is 6:10/mi, or 15.7 km/h (9.7 mph). At that pace you finish a 5K in 19:10, a 10K in 38:20, a half marathon in 1:20:52 and a marathon in 2:41:45.

Try it at another distance

10K finish times around your target, in 5 seconds steps
Change	Time	Pace
−0:20	35:00	3:305:38
−0:15	35:50	3:355:46
−0:10	36:40	3:405:54
−0:05	37:30	3:456:02
Your target Finish time Pace /km
+0:05	39:10	3:556:18
+0:10	40:00	4:006:26
+0:15	40:50	4:056:34
+0:20	41:40	4:106:42

min/kmmin/mikm/hmph

Arrow keys nudge the value. Hold Shift for bigger steps.

Finish times at 3:50 per km

Finish time at this pace for each distance
Distance	Finish time
1K	3:50
1 mile	6:10
5K	19:10
10K	38:20
10 miles	1:01:41
Half marathon	1:20:52
Marathon	2:41:45
50K	3:11:40

Splits

Negative splitEven pace all the way

Splits per km
km	Split	Elapsed
1	3:50	3:50
2	3:50	7:40
3	3:50	11:30
4	3:50	15:20
5	3:50	19:10
6	3:50	23:00
7	3:50	26:50
8	3:50	30:40
9	3:50	34:30
10	3:50	38:20

Splits per mile
Mile	Split	Elapsed
1	6:10	6:10
2	6:10	12:20
3	6:10	18:30
4	6:10	24:41
5	6:10	30:51
6	6:10	37:01
Final 0.214 mi	1:19	38:20

Equivalent times at other distances

Estimate

Estimated times at other distances (Riegel formula)
Distance	Estimated time
5K	18:23
10 miles	1:03:29
Half marathon	1:24:35
Marathon	2:56:20

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.

Pace questions runners ask

How long is a marathon at 3:50/km?: At 3:50/km a marathon takes 2:41:45 and a half marathon 1:20:52.
What is 3:50 per km in minutes per mile?: 3:50/km is 6:10/mi.
What treadmill speed is 3:50 per km?: 3:50/km is 15.7 km/h, or 9.7 mph.