Pace Calculator – Your Running Calculator for Speed, Time & Distance

Welcome to your ultimate pace calculator – a powerful tool that helps you plan and optimize your running performance. Whether you're training for a 5K, preparing for a half marathon, or using a marathon pace calculator to hit a time goal, this running calculator delivers all the key metrics you need: pace, speed, total time, and target splits for different distances.

Just enter your distance and time, and instantly see your pace per kilometer or mile. Whether you're a beginner or an experienced runner, this tool helps you track progress and plan smarter training sessions. Need to run a half marathon under 2 hours? Want to finish a marathon in 4:30? This tool shows you exactly how fast you need to go. Try it out and take your training to the next level with the smartest run pace calculator online.

What is a Pace Calculator and Why Use It?

A pace calculator – also known as a running pace calculator or marathon pace calculator – helps runners determine how fast they need to run to hit their distance goals. Whether you're planning a race or organizing a training run, understanding your pace is crucial.

With our free running calculator, you can quickly calculate your pace per kilometer or mile and determine what time you'll need to finish popular distances like 5K, 10K, half marathon, or marathon. This is especially helpful when targeting a new personal best or when pacing a steady, energy-efficient race. It’s simple, accurate, and incredibly useful for runners of all levels.