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CalcRiver

Pace Calculator

Calculate your running pace, total time, or distance. Generate splits for marathons, half-marathons, 5Ks, and more. Essential tool for runners and cyclists training for race day.

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Using the Pace Calculator

Whether you are training for your first 5K or trying to qualify for the Boston Marathon, knowing your pace is essential. This versatile running pace calculator allows you to calculate three key variables:

  • Calculate Pace: Enter your goal time and distance to see how fast you need to run per mile or kilometer.
  • Calculate Time: Enter a specific pace and distance to see how long it will take to finish.
  • Calculate Distance: Enter how long you ran and your average pace to find out how far you went.

Common Race Distances

Our tool includes presets for the most popular race lengths to save you from typing in meters manually:

  • 5K: 5 kilometers (3.1 miles)
  • 10K: 10 kilometers (6.2 miles)
  • Half Marathon: 21.0975 kilometers (13.1 miles)
  • Marathon: 42.195 kilometers (26.2 miles)

Pace Chart & Splits

For longer distances, maintaining an even pace is crucial. The calculator automatically generates splits for major milestones. For example, if you are calculating a Marathon pace, the results will show you exactly when you should cross the 10K, Half-Marathon, and 20-mile marks to stay on target.

Combining this with our Calories Burned Calculator can help you understand the energy demands of your target race pace.

? Frequently Asked Questions

A 'good' pace is relative to your experience. A beginner might run 10-12 minutes per mile (6-7 min/km), while a competitive amateur might run 7-8 minutes per mile (4-5 min/km). Elite marathoners maintain a pace of under 5 minutes per mile.

Splits are your cumulative time at specific distance markers. If you run a constant pace, simply multiply your pace per mile by the mile marker (e.g., Mile 5 split = Pace × 5). This calculator does this for you automatically.

Yes! While the presets (5k, Marathon) are running-focused, you can enter any custom distance (e.g., 40km, 100 miles) to calculate cycling speeds and times.