Jenzzy — free calculators and converters

Running Pace Calculator

Enter any two of distance, time, and pace on Jenzzy to solve the third for training and race planning.

Inputs

Results

Enter values to see results.

Formula

Pace = Time / Distance; Time = Pace × Distance

Hold units consistent—miles or kilometers throughout.

Example

  1. Pace: 5.2 min/km
  2. Per mile: ≈ 8:22/mi= 8:22/mi

Result: 5:12/km or about 8:22 per mile

Frequently Asked Questions

Treadmill pace?

Set speed to reciprocal of pace; 6 mph ≈ 10 min/mile.

Hills?

Effort-based training may use heart rate zones instead.

Negative splits?

Run multiple segments with different paces separately.

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