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  1. Home
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  3. Pace Calculator

Pace Calculator

Calculate your running pace, finish time, or distance. Convert between pace (min/mile or min/km) and speed (mph or km/h). Perfect for race planning and training.

By Joseph Orduna·Reviewed April 16, 2026·How this works
Formula:Pace = Time / Distance

Your Results

Pace per Mile

8:03

min/mile

Pace per KM

5:00

min/km

Speed (mph)7.5 mph
Speed (km/h)12.0 km/h

Mile Splits

Mile 18:03
Mile 216:06
Mile 324:08
Mile 432:11

Race Predictions

Based on your current pace, estimated finish times:

5K

25:00

10K

50:00

Half

1:47:08

Marathon

3:48:05

How the Pace Calculator Works

Pace Formula: Pace = Total Time / Distance

For example, running 5K (3.1 miles) in 25 minutes gives a pace of 25 / 3.1 = 8:04 per mile.

Pace to Speed

Speed (mph) = 60 / Pace (min/mile)

Mile to KM

Pace/km = Pace/mile / 1.609

Common Running Paces

DescriptionPace/MilePace/KMSpeed
Walking20:0012:263.0 mph
Brisk Walk15:009:194.0 mph
Beginner Jog12:007:275.0 mph
Casual Run10:006:136.0 mph
Intermediate8:004:587.5 mph
Advanced7:004:218.6 mph
Elite5:003:0612.0 mph

Explore Pace Scenarios

Explore how changes affect your results

Your Pace vs Runners

Compared to the general population

Your Pace

8.05 min/mi

Percentile

74th

You're in the ideal range!

Distribution

You

Beginner

12.00

Casual

10.00

Recreational

9.00

Intermediate

8.00

Advanced

7.00

Population Average

9.00

0.95 from avg

Ideal Range

7.00 - 10.00

min/mi

Your Ranking

Top 74%

26% are higher

Running Performance Tips

Based on your results

0/5 completed
🏃 ExerciseImportant

Your Pace Analysis

At 8:03/mile (5:00/km), you're at an intermediate level. Incorporate tempo runs to improve.

🏃 ExerciseImportant

Speed Work

For faster race times, do 800m repeats at 7:15 pace with equal rest.

🏃 ExerciseRecommended

Training Balance

For consistent improvement, keep 80% of runs easy (9:39/mi) and 20% hard.

Frequently Asked Questions

Running pace is the amount of time it takes to cover a specific distance, typically expressed as minutes per mile or minutes per kilometer. A faster pace means a shorter time per distance unit. For example, a 8:00/mile pace means you run each mile in 8 minutes.

Time to cover a distance, like minutes per mile. 8:00/mi means 8 minutes per mile.

Divide your total running time by the distance covered. If you ran 3 miles in 24 minutes, your pace is 24/3 = 8 minutes per mile. Our calculator handles all the conversions between miles, kilometers, and different time formats automatically.

Divide total time by distance. 24 minutes for 3 miles = 8 min/mile pace.

A good beginner pace is typically 10-12 minutes per mile (6:15-7:30 per km). The key is maintaining a conversational pace where you can speak in full sentences. As fitness improves, most runners can achieve 8-10 minute miles with consistent training.

10-12 min/mile for beginners. Focus on maintaining a conversational pace.

Race pace predictions estimate finish times for different distances based on your current fitness. Generally, pace slows as distance increases. If you run a 25-minute 5K (8:03/mi), you might expect a 52-minute 10K (8:23/mi) and a 1:55 half marathon (8:47/mi).

Estimated finish times based on current fitness. Pace typically slows for longer distances.

Speed (mph or km/h) is the inverse of pace. A 10:00/mile pace equals 6 mph. A 6:00/mile pace equals 10 mph. Speed is useful for treadmill settings and comparing to cycling or other activities. Pace is more intuitive for planning runs.

10:00/mile = 6 mph; 6:00/mile = 10 mph. Speed is the inverse of pace.

How this works

Formulas are implementations of published clinical or public-health equations. Calculations run in your browser — no inputs are transmitted to our servers and no account is required. The result is informational; it does not diagnose, treat, or replace advice from a clinician.

What this tool can’t do

When to consult a professional

Talk to a licensed healthcare provider before using the output of this tool to make a medical decision, especially if you have an underlying condition, are pregnant, or are on medication that affects metabolism or fluid balance.

Sources

  1. [1]
    Centers for Disease Control and Prevention (CDC)
    Official source·cdc.gov·Accessed Apr 21, 2026
  2. [2]
    National Institutes of Health (NIH)
    Official source·nih.gov·Accessed Apr 21, 2026

Not medical advice

This tool is an educational calculator based on published formulas. It does not diagnose, treat, or replace advice from a licensed healthcare provider. Consult your physician for medical decisions.

CDC health information →

Joseph Orduna
Joseph OrdunaFounder & Software Engineer

Full-stack software engineer specializing in embedded systems, web architecture, and AI/ML. Founder of Practical Web Tools. Built the gesture-controlled drone IP acquired by KD Interactive (Aura Drone, sold on Amazon).

Full bioLinkedIn

Your Results

Pace per Mile

8:03

min/mile

Pace per KM

5:00

min/km

Speed (mph)7.5 mph
Speed (km/h)12.0 km/h

Mile Splits

Mile 18:03
Mile 216:06
Mile 324:08
Mile 432:11

Not medical advice

This tool is an educational calculator based on published formulas. It does not diagnose, treat, or replace advice from a licensed healthcare provider. Consult your physician for medical decisions.

CDC health information →