50:00 10K: pace, race predictions & training paces

A 10K in 50:00 is an average pace of 5:00 per km, or 12.0 km/h. That result suggests a VO2max of about 40.0 (Strong).

Unit: km mi

Pace

5:00/km

8:03 per mi

Speed

12.0 km/h

Race predictions

What this result projects to at the other distances, if you trained for each.

5K
23:58 4:48/km
Half Marathon
1:50:19 5:14/km
Marathon
3:50:00 5:27/km

Fitness

Estimated VO2max

40.0 ml/kg/min

Strong

The math assumes a race time in ideal conditions. If it was an easy run, the result falls below what you can really do. Why?

Training paces

The paces this fitness supports, from easy runs to short repetitions.

Easy
5:51–6:59/km
Marathon
5:27–5:47/km
Threshold
5:06–5:20/km
Interval
4:36–4:47/km
Repetition
4:15–4:25/km
Splits to run this time

Your time at each mark, at an even pace or with a negative split (second half faster).

km Even Negative split
1 5:00 5:03
2 10:00 10:06
3 15:00 15:09
4 20:00 20:12
5 25:00 25:15
6 30:00 30:12
7 35:00 35:09
8 40:00 40:06
9 45:00 45:03
10 50:00 50:00

400 m lap on a track: 2:00

In the heat

What the same effort as a 50:00 10K costs on a warmer day.

25 °C
51:47 5:11/km
30 °C
53:17 5:20/km
Extra info (optional)*
Sex

* Used only for the calculation — we don't send or keep these details.

Heart-rate zones

Enter your max heart rate — or just your age, for an estimate.

In your race conditions

Enter the race-day temperature or the altitude.

For your age

Enter your age and sex to see your age grade.

Similar results

Same distance

Nearby goal times, other distances

Calcpace is not a medical device: these numbers are training estimates, not a diagnosis. Consult a health professional before starting or changing training.