Calculate Pace
Calculate Time
Calculate Distance
Calculate Speed
Kilometers
Miles
h m s
💡 Enter the distance you ran and the time it took to calculate your pace per kilometer or mile.
Kilometers
Miles
m s
💡 Enter the distance and your target pace to calculate how long it will take to complete.
h m s
m s
Per Kilometer
Per Mile
💡 Enter your available time and target pace to calculate how far you can run.
Kilometers
Miles
h m s
💡 Enter distance and time to calculate your average speed in km/h or mph.
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Pace per km
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Pace per mile
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Speed (km/h)
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Speed (mph)

📊 Split Times

Distance Split Time Total Time

🏆 Race Time Predictions

🎯 Training Pace Zones

📚 Running Pace Calculator Information

Understanding Running Pace:

  • Pace: Time taken to cover one unit of distance (usually per kilometer or mile)
  • Speed: Distance covered per unit of time (km/h or mph)
  • Split Time: Time taken to complete each segment of a run
  • Negative Split: Running the second half faster than the first half

Training Pace Zones:

  • Easy Pace: 65-75% of max heart rate, conversational pace
  • Marathon Pace: Sustainable pace for 26.2 miles
  • Threshold Pace: Comfortably hard pace, sustainable for 1 hour
  • Interval Pace: 5K race pace, high intensity training
  • Repetition Pace: 1500m pace, maximum sustainable speed

Race Distance Standards:

  • 5K: 3.1 miles - Popular beginner distance
  • 10K: 6.2 miles - Standard road race distance
  • Half Marathon: 13.1 miles (21.1 km)
  • Marathon: 26.2 miles (42.2 km)
  • Ultra Marathon: Any distance longer than marathon

Tips for Using Pace Calculations:

  • Use easy pace for 80% of your training volume
  • Practice race pace during long runs
  • Allow for slower paces on hills and in hot weather
  • Track your progress over time to see improvements
  • Consider using a GPS watch for accurate pace monitoring

⚠️ This calculator provides estimates for training purposes. Actual performance may vary based on fitness level, weather conditions, terrain, and other factors.