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 you’re chasing a new 5K personal best or building up to your first marathon, nailing your pace is essential. Kaizen’s 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.
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’s the difference between pace and speed?
How do I choose the right pace for a race?
How can I improve my running pace?
Should I pace myself evenly or use negative splits?
Can Kaizen help me figure out the right pace for my next race?
How does Kaizen sync with Strava to improve pacing?
Does Kaizen offer dynamic pacing suggestions?
5k pacing: How to pace a 5k
What’s a good 5K pace for beginners?
Should I go all-out in a 5K race?
How can I pace a sub-30 minute 5K?
What are common pacing mistakes in a 5K?
How do I use a pace calculator for a 5K?
How does Kaizen help me train for a faster 5K?
Will Kaizen adjust my 5K race pace as I train?
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?
How should I pace myself during a 10K?
How can I pace for a sub-50 minute 10K?
What’s a smart warm-up before a 10K race?
Should I run negative splits in a 10K?
Can Kaizen guide me to a sub-60 or sub-50 10K?
Does Kaizen update my 10K race prediction if I get faster?
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?
How should I break up a half marathon for pacing?
How can I pace for a sub-2 hour half marathon?
What are common pacing mistakes in a half marathon?
Should I use a pace group in 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?
Does Kaizen provide pace guidance during my long runs?
Marathon pacing: How to pace a Marathon
How do I find the right marathon pace?
What’s the golden rule for marathon pacing?
How can I pace for a sub-4 hour marathon?
What are pacing strategies for beginners?
How does terrain or weather affect pacing?
How does Kaizen help with marathon training pacing?
Can Kaizen prevent me from burning out in marathon prep?
Will Kaizen adjust my marathon goal if I get stronger or injured?
Pace calculator comparison
Find out how Kaizen’s pace calculator stacks up against other tools and why it’s 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
Download as PDF and CSV
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Top 10 Fastest
Marathons
If you’re aiming for a personal best, consider participating in one of these top-rated marathons known for their favorable courses:
Osaka Marathon
Asia
February
Great
0.71
Nagoya Women's Marathon
Asia
March
Great
1.01
Valencia Marathon
Map
Europe
December
Great
1.18
Tokyo Marathon
Map
Asia
March
Great
1.27
Dubai Marathon
Asia
January
Great
1.47
Frankfurt Marathon
Europe
October
Great
1.59
Indianapolis Monumental Marathon
North America
November
Great
1.60
Rotterdam Marathon
Map
Europe
April
Great
1.64
Paris Marathon
Map
Europe
April
Great
1.78
Milan Marathon
Map
Europe
April
Great
1.85