Running Pace Calculator
Compute required running pace per kilometer and mile to hit target finish times across 5K, 10K, half, and full marathons.
About Running Pace Calculations
Pace measures the time needed to cover a fixed unit of distance (minutes per kilometer or minutes per mile), serving as the foundational metric for race pacing strategies.
Key Distance Benchmarks
- 5K: 5.00 km / 3.11 miles
- 10K: 10.00 km / 6.21 miles
- Half Marathon: 21.10 km / 13.11 miles
- Marathon: 42.20 km / 26.22 miles
Frequently Asked Questions
What is negative splitting?
Negative splitting involves running the second half of a race faster than the first, conserving glycogen stores and minimizing premature fatigue.
How does elevation change running pace?
Steep climbs typically add 12 to 15 seconds per kilometer per 1% grade incline.
Why track pace instead of speed (km/h or mph)?
Pace correlates directly with clock elapsed time and interval training targets, making real-time race timing adjustments much simpler.
How do I convert min/km to min/mile?
Multiply pace in seconds per kilometer by 1.60934 and convert the result back to minutes and seconds.
Calculate in three steps
- 1Enter your valuesUse the fields above and check the units shown beside each input.
- 2Run the calculationSelect Calculate to refresh the result with your latest values.
- 3Review or shareCompare the result, reset the form, print it, or share this page.