Free Pace Calculator Online

Calculate running pace, race time, distance, speed, splits, marathon pace, mile pace, kilometer pace, and training estimates with this free pace calculator.

๐Ÿƒ Pace Calculator

Live Pace Estimate

Pace Inputs

Left Side
Used in Find Time and Find Distance modes.
Pace per selected distance unit.
Adjust the inputs to calculate pace, time, distance, speed, and splits.

Pace Results

Right Side
Running Pace0:00 /km
Total Time0:00:00
Distance0 km
Speed0 km/h
Mile Pace0:00 /mi
Kilometer Pace0:00 /km
Marathon Estimate0:00:00

Race Distance Breakdown Pie Chart

Completed distance0 km
10K comparison10 km
Marathon comparison42.2 km
SplitDistanceEstimated TimePace
Pace:
Pace is time per distance unit, such as minutes per kilometer or mile.
Speed:
Speed is distance per hour, such as kilometers per hour or miles per hour.
Estimate only:
Race results can vary by terrain, weather, training, and effort.

What Is a Pace Calculator?

A pace calculator helps runners, walkers, cyclists, and athletes calculate pace, race time, distance, speed, splits, marathon pace, mile pace, kilometer pace, and training estimates. You can use it to find pace from distance and time, find time from pace and distance, or find distance from pace and time.

This free online running pace calculator is useful for 5K, 10K, half marathon, marathon, trail running, walking, treadmill workouts, race planning, and training sessions.

Running Pace Calculator

Calculate minutes per kilometer or minutes per mile from distance and time.

Race Time Calculator

Estimate finish time based on distance and target pace.

Distance Calculator

Estimate distance from total time and pace.

Split Calculator

Generate kilometer or mile splits for training and race planning.

How Pace Calculation Works

Pace is calculated by dividing total time by distance. For example, a 25-minute 5K equals a 5:00 per kilometer pace. Speed uses the opposite relationship and shows distance covered per hour.

Pace Calculator Formula

Pace = Time รท DistanceSpeed = Distance รท Time

The calculator converts distance and time into seconds, calculates pace per kilometer and per mile, then builds a split table for pacing practice.

Pace vs Speed

Pace tells you how long it takes to cover one unit of distance. Speed tells you how much distance you cover in one hour. Runners often use pace, while cycling and driving often use speed.

Pace Calculator Examples

5K pace
Enter 5 kilometers and 25 minutes to calculate 5:00 per kilometer.
Marathon goal
Enter your target pace to estimate marathon finish time.
Training splits
Generate split times for every kilometer or mile.

Benefits of Using a Pace Calculator

Race planning
Estimate finish times for 5K, 10K, half marathon, or marathon.
Training control
Use pace targets to structure workouts and easy runs.
Split tracking
Compare planned splits with real training or race performance.

Running Pace Planning Tips

  • Use easy pace for recovery runs and faster pace for workouts.
  • Practice target race pace before race day.
  • Consider terrain, weather, hydration, and training history.
  • Use pacing estimates as a guide rather than a guarantee.

Related Calculators

Frequently Asked Questions

Is this pace calculator free?

Yes. You can calculate pace, time, distance, speed, and splits for free.

How do I calculate running pace?

Divide total time by distance to get pace per kilometer or pace per mile.

Can I calculate race time?

Yes. Use Find Time mode with distance and target pace.

Can I calculate distance?

Yes. Use Find Distance mode with time and pace.

Does it show mile pace and kilometer pace?

Yes. It displays both mile pace and kilometer pace.

Can I create split times?

Yes. The split table estimates times at each distance interval.

Can I use it for marathon pace?

Yes. It includes a marathon finish estimate based on your pace.

Are pace estimates exact?

They are mathematical estimates. Real performance can vary by terrain, weather, and effort.

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