Running Pace Calculator
Calculate pace, finish time, distance, speed and race splits from any two running inputs.
Calculate to see your pace zone
Splits appear after calculation
Metrics appear after calculation
Your explanation appears here
Use this as clean pace math; hills, heat, wind, stops and trail surfaces can change real-world results.
Your plan appears after calculation
Test how a different pace or race distance changes your finish time.
Calculate your baseline first
It uses the direct relationship pace = time ÷ distance. With any two values, it can calculate the third: pace, finish time or distance.
Yes. The calculator converts distance and pace units locally in your browser, so pace per mile and pace per kilometre stay consistent.
No. Projections assume you can hold the same pace across the new distance. Fitness, terrain, weather, turns, fueling and elevation can all change actual race results.
Results are estimates calculated locally from time, distance and pace. They are for informational planning only, not coaching, medical or safety advice. Adjust training for health, terrain, conditions and professional guidance where appropriate. VisionVix accepts no liability for decisions based on this output.