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5K pace

20 minute 5k pace

Per mile6:26
Per km4:00
Treadmill9.3 mph

To run a 5k in 20:00, hold 6:26 per mile or 4:00 per kilometer the whole way. That is about 9.3 mph on a treadmill.

Splits at even pace

PointElapsed time
1 km4:00
2 km8:00
3 km12:00
4 km16:00
5 km20:00

Even pacing means running every mile at the same speed. Write two or three of these split times on your hand or set them as pace alerts on your watch, and check them as you pass the markers.

Same pace, other units

Per mile6:26
Per kilometer4:00
Per 400 m track lap1:36
Treadmill speed9.3 mph

A little faster or slower

How much each change in pace moves your finish time:

ChangePace per mileFinish time
-20 sec/mile6:0618:58
-10 sec/mile6:1619:29
-5 sec/mile6:2119:44
+5 sec/mile6:3120:16
+10 sec/mile6:3620:31
+20 sec/mile6:4621:02

What this time equals at other distances

RaceEquivalent time
10K41:42
Half marathon1:32:00
Marathon3:11:49

Equivalents use Riegel's endurance formula (T2 = T1 x (D2/D1)^1.06) and assume equal training for each distance. Try your own in the race time predictor.

Other 5k goal times

Frequently asked questions

What pace do I need for a 20 minute 5k?

To run a 5k in 20:00, hold 6:26 per mile or 4:00 per kilometer the whole way. That is about 9.3 mph on a treadmill.

What is a 20 minute 5k equal to at other distances?

Using Riegel's endurance formula (exponent 1.06), it is roughly 10K 41:42, Half marathon 1:32:00, Marathon 3:11:49. Predictions assume equal training for each distance.

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