What pace is a 50-minute 10K?

5:00 per kilometre, or 8:03 per mile: 3,000 seconds over 10 km. A 45-minute 10K needs 4:30 per km (7:15 per mile) and a one-hour 10K needs 6:00 per km (9:39 per mile). Each of these is a row in the chart under the tool.

How many miles is a 10K?

6.2137 miles. Switch the distance unit seg to mi and the field converts to that figure, and the splits table changes to a row per mile with a finish row for the last 0.21 of a mile. Typing 6.2 instead gives a course about 22 metres short.

Can I work out my 10K time from a 5K time?

Not from this page directly, because it assumes the pace you give holds for the whole distance. Solve for pace over 5 km with your 5K time, then solve for time over 10 km at that pace, and you have the finish if you could hold your 5K pace twice as far; most runners cannot, so add a few seconds per kilometre before planning around it.

Yes. Every kilometre in the table takes the same time, and the finish row covers whatever is left after the last whole mark. Use the row as the average to plan around; for a negative split, run the early kilometres a few seconds slower than the table shows and the late ones faster.

What range does the 10K chart cover?

Finish times from 30:00 to 1:30:00, every two and a half minutes. Each row divides the finish time by 10 km for the pace per kilometre, converts it to a pace per mile, and gives the same effort as a speed in km/h and mph. The row nearest the time in the calculator is highlighted.

10K Pace Calculator

Turn a 10K goal time into the pace per kilometre and per mile it takes, or a pace into the finish it predicts, over exactly 10 km. The splits table lists every kilometre or mile at an even pace, and the chart under the tool runs from 30:00 to 1:30:00 in steps of two and a half minutes so a target can be read straight off the page.

10K in 50:005:00/km8:03 /mi · 12 km/h · 7.46 mph · finish 50:00

Solve for

Distance

Time

Pace

5:00

Per

Race

Time reads as h:mm:ss or mm:ss, pace as m:ss, and a bare number is minutes. Changing a unit converts the value with it, and the Race seg sets the official distance: a half marathon is 21.0975 km, not 21.1.

Splits

Every km at an even 5:00 per km, then the finish.

Km	Split	Elapsed
1	5:00	5:00
2	5:00	10:00
3	5:00	15:00
4	5:00	20:00
5	5:00	25:00
6	5:00	30:00
7	5:00	35:00
8	5:00	40:00
9	5:00	45:00
10finish	5:00	50:00

10K pace chart

Finish times every 2:30 from 30:00 to 1:30:00, with the even pace and speed each one takes over 10 km. The highlighted row is the finish time above.

Finish	Per km	Per mile	km/h	mph
30:00	3:00	4:50	20	12.43
32:30	3:15	5:14	18.46	11.47
35:00	3:30	5:38	17.14	10.65
37:30	3:45	6:02	16	9.94
40:00	4:00	6:26	15	9.32
42:30	4:15	6:50	14.12	8.77
45:00	4:30	7:15	13.33	8.28
47:30	4:45	7:39	12.63	7.85
50:00	5:00	8:03	12	7.46
52:30	5:15	8:27	11.43	7.1
55:00	5:30	8:51	10.91	6.78
57:30	5:45	9:15	10.43	6.48
1:00:00	6:00	9:39	10	6.21
1:02:30	6:15	10:04	9.6	5.97
1:05:00	6:30	10:28	9.23	5.74
1:07:30	6:45	10:52	8.89	5.52
1:10:00	7:00	11:16	8.57	5.33
1:12:30	7:15	11:40	8.28	5.14
1:15:00	7:30	12:04	8	4.97
1:17:30	7:45	12:28	7.74	4.81
1:20:00	8:00	12:52	7.5	4.66
1:22:30	8:15	13:17	7.27	4.52
1:25:00	8:30	13:41	7.06	4.39
1:27:30	8:45	14:05	6.86	4.26
1:30:00	9:00	14:29	6.67	4.14

Race distances are the official ones. A marathon is 42.195 km and a half is 21.0975 km. Typing 26.2 or 13.1 miles shortens the course by about 30 metres, which is a handful of seconds at any pace, so the Race seg sets the exact figure and any other distance can be typed in either unit. The splits assume an even pace: they are the plan for the day, not a prediction of it, and the chart is the same arithmetic run across a whole range of finish times.

Common questions

What pace is a 50-minute 10K?: 5:00 per kilometre, or 8:03 per mile: 3,000 seconds over 10 km. A 45-minute 10K needs 4:30 per km (7:15 per mile) and a one-hour 10K needs 6:00 per km (9:39 per mile). Each of these is a row in the chart under the tool.
How many miles is a 10K?: 6.2137 miles. Switch the distance unit seg to mi and the field converts to that figure, and the splits table changes to a row per mile with a finish row for the last 0.21 of a mile. Typing 6.2 instead gives a course about 22 metres short.
Can I work out my 10K time from a 5K time?: Not from this page directly, because it assumes the pace you give holds for the whole distance. Solve for pace over 5 km with your 5K time, then solve for time over 10 km at that pace, and you have the finish if you could hold your 5K pace twice as far; most runners cannot, so add a few seconds per kilometre before planning around it.
Are the splits even?: Yes. Every kilometre in the table takes the same time, and the finish row covers whatever is left after the last whole mark. Use the row as the average to plan around; for a negative split, run the early kilometres a few seconds slower than the table shows and the late ones faster.
What range does the 10K chart cover?: Finish times from 30:00 to 1:30:00, every two and a half minutes. Each row divides the finish time by 10 km for the pace per kilometre, converts it to a pace per mile, and gives the same effort as a speed in km/h and mph. The row nearest the time in the calculator is highlighted.

Pace, time and distance are solved exactly from the two you give, and splits assume an even pace. Race distances are the official ones: a half marathon is 21.0975 km.