Running Pace Calculator
Calculate your running pace per mile or per kilometer.
Last updated: June 13, 2026
Calculator
Results
How to Use This Calculator
- 1Select your race distance (1 mile, 5K, 10K, half marathon, or marathon).
- 2Enter your finish time in hours, minutes, and seconds.
- 3View your pace per mile, per kilometer, and speed in mph.
Formula Explanation
Pace is calculated by dividing total time by distance. Speed is the inverse calculation.
Variables:
Worked Examples
5K in 25:00
- 1. Distance = 3.1 miles
- 2. Total time = 1,500 seconds
- 3. Pace = 1,500 ÷ 3.1 = 484 sec/mile
Why Use This Calculator
- Essential tool for race planning and pacing strategy.
- Supports all major race distances from 1 mile to marathon.
- Shows pace in both miles and kilometers for international use.
- Helps set realistic race goals based on training paces.
Tips & Best Practices
- Your easy run pace should be 1-2 minutes slower than your race pace.
- Negative splits (running the second half faster) usually produce better results.
- Use the calculator to set target paces for different distances.
Common Mistakes to Avoid
❌ Starting a race at a pace faster than your goal.
✅ Use this calculator to set a target pace and stick to it from the start.
❌ Training all runs at race pace.
✅ 80% of your training should be at an easy, conversational pace.
Frequently Asked Questions
What is a good running pace for beginners?
How do I improve my pace?
Embed This Calculator
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<iframe src="https://redicalc.com/embed/fitness/running-pace-calculator" width="100%" height="600" style="border:none;border-radius:12px;box-shadow:0 1px 3px rgba(0,0,0,0.1);" title="Running Pace Calculator — RediCalc.com" loading="lazy" allowtransparency="true"></iframe>Disclaimer: This calculator is provided for informational and educational purposes only. Results are estimates and should not be used as a substitute for professional advice. RediCalc.com makes no guarantees regarding the accuracy, completeness, or suitability of any calculations. Always consult a qualified professional before making financial, health, construction, or other important decisions.
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