Sub-50 10K Pace

To break 50:00 you need 5:00 per kilometer or 8:03 per mile (12.0 km/h, 7.5 mph). Set your own target below, then take the splits and a pace band to the start line.

10K

5000

Roll a digit ↕

Pace: 5:00 /km
Status: Right on 50 pace

Flick the tape · pull your finger down for fine control

Flick: Spin the tape. It lands on round times and snaps to nearby goals.
Drag down: Keep holding and pull away from the tape for ½, ¼ or fine speed.
Roll: Tap a digit on the bib, then drag it up or down.
Keys: ← → move five seconds, Shift moves a minute.

Jump to a goal

Your pace band

Clock time at every marker. Print it, cut it, tape it to your wrist.

The same pace from start to finish.

10K50:00
2K10:00
4K20:00
6K30:00
8K40:00
Finish50:00

If you can run 50:00

Equivalent race times from the Riegel formula. Longer-race predictions assume your endurance training matches.

5K23:59

10K50:00

Half marathon1:50:19

Marathon3:50:01

Workout paces

Interval targets based on your equivalent 5K effort.

Rep	Target
Mile	7:39–7:55
1000m	4:33–4:48
800m	3:34–3:46
400m	1:41–1:47
200m	0:44–0:49

Sub-50 10K splits

Even-pace clock times for a 50:00 10K. Holding 4:59 per kilometer finishes in 49:50; holding 8:02 per mile finishes in 49:55.

Kilometer splits at 5:00/km
1 km	5:00
2 km	10:00
3 km	15:00
4 km	20:00
5 km	25:00
6 km	30:00
7 km	35:00
8 km	40:00
9 km	45:00
Finish	50:00

Mile splits at 8:03/mi
Mile 1	8:03
Mile 2	16:06
Mile 3	24:08
Mile 4	32:11
Mile 5	40:14
Mile 6	48:17
Finish (6.2 mi)	50:00

Race times that go with a sub-50 10K

Riegel-formula equivalents for a 50:00 10K. If your weekly mileage is modest, aim for about 23:39 in the 5K rather than 23:59 before committing to this goal.

5K23:59

half marathon1:50:19

marathon3:50:01

Frequently asked questions

What pace is a 50 minute 10K?

A 50:00 10K averages 5:00 per kilometer or 8:03 per mile. Holding 4:59 per kilometer finishes in 49:50, and 8:02 per mile finishes in 49:55.

What 5K time do I need for a sub-50 10K?

The Riegel formula lines up a 50:00 10K with about 23:59 for the 5K. A more conservative estimate for runners without high weekly mileage is about 23:39.

What is the halfway split for a sub-50 10K?

At even pace the halfway split is 25:00. Many runners aim to pass halfway a few seconds slower and finish with a small negative split.