40:00 5K: pace, race predictions & training paces

A 5K in 40:00 is an average pace of 8:00 per km, or 7.5 km/h. That result suggests a VO2max of about 21.7 (Active).

Unit: km mi

Pace

8:00/km

12:52 per mi

Speed

7.5 km/h

Race predictions

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

10K
1:23:23 8:20/km
Half Marathon
3:04:00 8:43/km
Marathon
6:23:38 9:06/km

Fitness

Estimated VO2max

21.7 ml/kg/min

Active
Training paces

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

Easy
9:22–11:01/km
Marathon
8:31–9:16/km
Threshold
8:14–8:36/km
Interval
7:28–7:46/km
Repetition
6:56–7:11/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 8:00 8:19
2 16:00 16:38
3 24:00 24:38
4 32:00 32:19
5 40:00 40:00

400 m lap on a track: 3:12

In the heat

What the same effort as a 40:00 5K costs on a warmer day.

25 °C
41:09 8:14/km
30 °C
41:44 8:21/km

Similar results

Same distance

Same fitness, other distances