What is running pace?

Pace is the time it takes to cover one unit of distance — usually expressed as minutes per kilometer (min/km) or minutes per mile (min/mi). For example, a pace of 5:00 min/km means you run each kilometer in exactly five minutes.

How do I calculate my marathon finish time?

Select "Find Time," enter 42.195 km (or pick Marathon from the distance list), then enter your target pace per km or per mile. The calculator multiplies pace by distance and displays your projected finish time.

How far is a half-marathon in km and miles?

A half-marathon is 21.0975 km or 13.1094 miles. Select "Half Marathon" in the distance dropdown and the value is filled in automatically.

What is a good running pace for beginners?

A comfortable beginner pace is typically 7:00–9:00 min/km (11:15–14:30 min/mi). What matters most is running at a conversational effort — you should be able to speak in short sentences while running.

Can I use this for treadmill paces?

Yes. Treadmills often display speed in km/h or mph. Enter the treadmill speed as a distance and a 60-minute time to get the equivalent pace, or use the speed output shown in the results panel.

Running Pace Calculator

Name: Running Pace Calculator
Availability: InStock
Author: Nham Vu

Enter any two of distance, time, or pace — the calculator finds the third and shows splits every km or mile.

Running Pace Calculator

Calculate

Splits in

Distance

Time (h : m : s)

: :

Pace (min : sec / km)

Fill in any two fields on the left and click Calculate

Pace • Time • Distance • Splits

Result

Pace

min/km

Pace

min/mi

Speed

km/h

Speed

mph

Splits

Split	Split Time	Elapsed

Copied!

Summary

Enter any two of distance, time, or pace — the calculator finds the third and shows splits every km or mile.

How it works

Select what you want to calculate: Pace, Time, or Distance.
Enter the two known values — distance (or pick a named race), time (h/m/s), or pace (min:sec per km or mi).
Click Calculate to see the result, along with pace in both min/km and min/mi, speed in km/h and mph, and a full split table.
Switch the unit toggle between Metric and Imperial to change split intervals.
Click any result value to copy it to the clipboard.

Use cases

Find your finishing time before race day by entering your target pace and race distance.
Calculate your average pace after a run by entering the distance you covered and how long it took.
Plan negative splits or even-pace race strategy using the per-km or per-mile split table.
Convert your pace instantly between min/km and min/mi without manual math.

Frequently Asked Questions

Last updated: 2026-06-09 · Reviewed by Nham Vu