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Try Kaizen to get your current race prediction and tailor your pacing plan to your actual fitness. Learn more

Try Kaizen to get your current race prediction and tailor your pacing plan to your actual fitness. Learn more

Running pace calculator

Use our running pace calculator to find your ideal pace for 5Ks, 10Ks, half marathons, or full marathons. Train smarter with personalized race goals based on time or distance.

Train smarter with Kaizen’s running pace calculator

Whether youre chasing a new 5K personal best or building up to your first marathon, nailing your pace is essential. Kaizens Running Pace Calculator helps you train with purpose, by giving you clear, personalized pacing guidance based on your goals.

Avoid burning out

Starting too fast can derail your race. The right pace keeps you steady and strong to the finish.

Reach your potential

Knowing your target splits helps you push just enough to set a new PB, without blowing up mid-race.

Train responsibly

Calculate your limits so that you don't overdo it in training and mitigate injury risk.

Kaizen Race predictions

Accurate race predictions updated after every run

Kaizen goes beyond basic pace calculators. When you sync your Strava account, Kaizen gives you:

Real-time race predictions

Your goal pace updates automatically based on your latest runs

Adaptive training guidance

Your training plan evolves as your fitness improves (or if life gets in the way)

Smarter planning, less guesswork

Kaizen breaks down splits, and preps you for race day — no spreadsheets needed

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apple store icon
Kaizen iphone screen
Kaizen iphone screen
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Kaizen Race predictions

Accurate race predictions updated after every run

Kaizen goes beyond basic pace calculators. When you sync your Strava account, Kaizen gives you:

Real-time race predictions

Your goal pace updates automatically based on your latest runs

Adaptive training guidance

Your training plan evolves as your fitness improves (or if life gets in the way)

Smarter planning, less guesswork

Kaizen breaks down splits, and preps you for race day — no spreadsheets needed

google play icon
apple store icon
Kaizen iphone screen
Kaizen iphone screen
kaizen graphic

Kaizen Race predictions

Accurate race predictions updated after every run

Kaizen goes beyond basic pace calculators. When you sync your Strava account, Kaizen gives you:

Real-time race predictions

Your goal pace updates automatically based on your latest runs

Adaptive training guidance

Your training plan evolves as your fitness improves (or if life gets in the way)

Smarter planning, less guesswork

Kaizen breaks down splits, and preps you for race day — no spreadsheets needed

google play icon
apple store icon
Kaizen iphone screen
Kaizen iphone screen
kaizen graphic

The ultimate pacing FAQ

All you need to know about pacing your next race

General questions about pacing

What is running pace and how is it calculated?

What is running pace and how is it calculated?

What’s the difference between pace and speed?

What’s the difference between pace and speed?

How do I choose the right pace for a race?

How do I choose the right pace for a race?

How can I improve my running pace?

How can I improve my running pace?

Should I pace myself evenly or use negative splits?

Should I pace myself evenly or use negative splits?

Can Kaizen help me figure out the right pace for my next race?

Can Kaizen help me figure out the right pace for my next race?

How does Kaizen sync with Strava to improve pacing?

How does Kaizen sync with Strava to improve pacing?

Does Kaizen offer dynamic pacing suggestions?

Does Kaizen offer dynamic pacing suggestions?

5k pacing: How to pace a 5k

What’s a good 5K pace for beginners?

What’s a good 5K pace for beginners?

Should I go all-out in a 5K race?

Should I go all-out in a 5K race?

How can I pace a sub-30 minute 5K?

How can I pace a sub-30 minute 5K?

What are common pacing mistakes in a 5K?

What are common pacing mistakes in a 5K?

How do I use a pace calculator for a 5K?

How do I use a pace calculator for a 5K?

How does Kaizen help me train for a faster 5K?

How does Kaizen help me train for a faster 5K?

Will Kaizen adjust my 5K race pace as I train?

Will Kaizen adjust my 5K race pace as I train?

Can Kaizen tell me if I’m ready to run a 5K?

Can Kaizen tell me if I’m ready to run a 5K?

10k pacing: How to pace a 10k

What’s a typical 10K pace for intermediate runners?

What’s a typical 10K pace for intermediate runners?

How should I pace myself during a 10K?

How should I pace myself during a 10K?

How can I pace for a sub-50 minute 10K?

How can I pace for a sub-50 minute 10K?

What’s a smart warm-up before a 10K race?

What’s a smart warm-up before a 10K race?

Should I run negative splits in a 10K?

Should I run negative splits in a 10K?

Can Kaizen guide me to a sub-60 or sub-50 10K?

Can Kaizen guide me to a sub-60 or sub-50 10K?

Does Kaizen update my 10K race prediction if I get faster?

Does Kaizen update my 10K race prediction if I get faster?

How does Kaizen improve my pacing strategy for a 10K?

How does Kaizen improve my pacing strategy for a 10K?

Half Marathon pacing: How to pace a Half Marathon

What’s a good target pace for a first half marathon?

What’s a good target pace for a first half marathon?

How should I break up a half marathon for pacing?

How should I break up a half marathon for pacing?

How can I pace for a sub-2 hour half marathon?

How can I pace for a sub-2 hour half marathon?

What are common pacing mistakes in a half marathon?

What are common pacing mistakes in a half marathon?

Should I use a pace group in a half marathon?

Should I use a pace group in a half marathon?

How does Kaizen help me train for a half marathon?

How does Kaizen help me train for a half marathon?

Can Kaizen show me if I’m improving enough to hit a sub-2 goal?

Can Kaizen show me if I’m improving enough to hit a sub-2 goal?

Does Kaizen provide pace guidance during my long runs?

Does Kaizen provide pace guidance during my long runs?

Marathon pacing: How to pace a Marathon

How do I find the right marathon pace?

How do I find the right marathon pace?

What’s the golden rule for marathon pacing?

What’s the golden rule for marathon pacing?

How can I pace for a sub-4 hour marathon?

How can I pace for a sub-4 hour marathon?

What are pacing strategies for beginners?

What are pacing strategies for beginners?

How does terrain or weather affect pacing?

How does terrain or weather affect pacing?

How does Kaizen help with marathon training pacing?

How does Kaizen help with marathon training pacing?

Can Kaizen prevent me from burning out in marathon prep?

Can Kaizen prevent me from burning out in marathon prep?

Will Kaizen adjust my marathon goal if I get stronger or injured?

Will Kaizen adjust my marathon goal if I get stronger or injured?

Pace calculator comparison

Find out how Kaizens pace calculator stacks up against other tools and why its built for real training, not just quick estimates.

Features

Kaizen Pace Calculator

Strava Pace Calculator

Runna Pace Calculator

Accuracy

Metric/Imperial Unit Support

Mobile-Friendly Design

Auto Recalculate

Easy Pace Adjustments

Pace ↔ Time Conversion

Time ↔ Pace Conversion

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