What pace is a 25-minute 5K?

About 5:00 min/km, or roughly 8:03 min/mile.

Should I start fast in a 5K?

No. Even or slightly negative splits almost always give a better time than starting fast and fading.

How do I get faster at 5K?

Mix easy volume with intervals and tempo runs at or near your goal pace, and stay consistent week to week.

How to Pace a 5K

Published 8/20/2025 · 2 min read · Sport calculators

Aisha Karim — Fitness & running writer at Allin

Running · Training

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In short

To hit a 5K goal time, divide the target by 5 to get the pace per kilometre you must hold: a 25-minute 5K is 25 ÷ 5 = 5:00 min/km. Aim for even splits rather than a fast start, save a little for the final kilometre, and practise that exact pace in training so race day feels familiar.

A runner crossing the finish line of a road race, arms raised. — RUN 4 FFWPU · Pexels · Pexels

Divide your goal time by 5 to get the pace to hold, then run even splits. Here's how to find your target pace, train for it, and race it well.

Find your target pace

Pace is time divided by distance, so a 5K goal turns into a per-kilometre number by dividing by 5. Want 25 minutes? That is 5:00 min/km. Want 22:30? That is 4:30 min/km. Knowing the single number you must average makes the whole race concrete — you are no longer chasing a vague finish time but holding one steady pace.

Even splits win

The single biggest 5K mistake is starting too fast, riding the adrenaline of the first kilometre, then fading badly. Even splits — the same pace all the way — almost always beat that, and a slightly negative split, finishing a touch quicker, is the ideal. Hold back a little in the opening kilometre; you will more than earn it back at the end.

Train at race pace

Race pace should feel rehearsed, not new. Sprinkle sessions at your goal pace into training: tempo runs that hold it for a sustained block, and intervals that repeat it with short recoveries. Around that, keep most of your running easy to build the base. When your legs already know how 5:00 min/km feels, holding it on race day is far easier.

Race-day tips

Warm up with easy jogging and a few strides so the first kilometre doesn't shock your legs. When the gun goes, let the fast starters go — run your pace, not theirs. Settle into rhythm by the first kilometre marker, check your splits but don't obsess, and once the last kilometre arrives, spend whatever you have left. A controlled 5K almost always finishes faster than a heroic one.

Worked with our own calculator

Target race pace calculator

Given

Distance (km): 42.2 km
Target time (minutes): 240 min

Result

Speed (km/h): 10.55 km/h

These figures are produced by the calculator below, not typed in by hand — they are recomputed whenever the tool changes.

Run it on your own figures →

Frequently asked questions

What pace is a 25-minute 5K?: About 5:00 min/km, or roughly 8:03 min/mile.
Should I start fast in a 5K?: No. Even or slightly negative splits almost always give a better time than starting fast and fading.
How do I get faster at 5K?: Mix easy volume with intervals and tempo runs at or near your goal pace, and stay consistent week to week.

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