Calculate Running and Walking Pace, Speed, and Split Times
To calculate your running pace, divide your total time by the distance covered. For example, if you run 5 kilometers in 30 minutes, your pace is 6 minutes per kilometer (30 ÷ 5 = 6 min/km). You can also convert this to miles per hour or other units. A good running pace varies by fitness level: beginners typically run at 7-9 min/km, while advanced runners may maintain 4-5 min/km.
This calculator helps runners and walkers determine their pace, speed, and finish times for various distances using standard athletic formulas.
This Pace Calculator calculates running and walking pace, speed, distance, and time using standard athletic formulas. It provides conversions between different units (min/km, min/mile, km/h, mph) and helps athletes plan training runs and race strategies following guidelines from Canadian athletic organizations.
Standards: Standard Pace Calculations, Athletics Canada Guidelines, CSEP Physical Activity Standards, International Athletic Formulas
Precise pace calculations using proven formulas
Calculate in kilometers or miles
Get split times for common race distances
Get your pace instantly as you type
Personalized training zones based on your pace
No registration or payment required
Pace is time divided by distance; the Riegel formula projects race times across distances for a trained runner.
Riegel projections assume 95-98% accuracy for trained runners on flat courses with consistent training.
Pace Calculation and Riegel Formula for Race Predictions
Pace = Time / Distance; T₂ = T₁ × (D₂/D₁)^1.06
Pace is the time it takes to cover a specific distance, typically expressed as minutes per kilometer (min/km) or minutes per mile (min/mile). It's the standard measurement for runners and walkers.
Speed is distance covered per unit of time, expressed as kilometers per hour (km/h) or miles per hour (mph). While pace is more intuitive for runners, speed is useful for comparing to other activities.
Our pace calculator helps you determine your running or walking pace, speed, and projected race times. Follow these steps:
Input the distance you ran or plan to run. Choose between kilometres and miles as your preferred unit.
Input the total time for the distance in hours, minutes, and seconds. For planned runs, enter your target time.
See your pace in both min/km and min/mile, plus your speed in km/h and mph for easy comparison.
Review split times for common race distances from 1 km to marathon based on your current pace.
Understanding different pace categories helps you structure your training effectively and target the right effort level for each workout.
60-70% effort, conversational pace. Used for most training runs and recovery. Typically 1-2 min/km slower than race pace. Builds aerobic base without excess fatigue.
80-85% effort, comfortably hard. Sustainable for 20-40 minutes. About 25-30 seconds per km slower than 5K race pace. Improves lactate clearance.
85-90% effort, the fastest pace sustainable for about one hour. Roughly your 15K to half marathon race pace. Key for endurance improvement.
90-100% effort, varies by distance. 5K pace is near maximum sustainable effort. Marathon pace is significantly slower, around 70-80% effort, to last the full distance.
Calculations assume flat terrain. Hills, trails, and elevation changes will significantly affect your actual pace. Expect 15-30 seconds per km slower on hilly courses.
Projected times assume moderate weather. Heat, cold, wind, and humidity can alter performance by 5-15%. Canadian winters may require pace adjustments of 10-20%.
Race time predictions are based on the Riegel formula and are most accurate for trained runners on flat courses. Individual results vary based on fitness, nutrition, and race-day conditions.
This calculator provides pace data, not a structured training plan. For race preparation, consult a running coach or use a periodized training program tailored to your goals.
Run 80% of your weekly mileage at easy, conversational pace and only 20% at moderate to hard intensity. This builds aerobic base while preventing injury and burnout.
Follow the 10% rule: never increase your weekly mileage by more than 10% from one week to the next. This allows your body to adapt safely and reduces injury risk.
Include tempo runs at your goal race pace to develop the muscle memory and mental toughness needed on race day. Start with shorter intervals and build up.
Plan to run the second half of your race slightly faster than the first half. This conservative start prevents early fatigue and often results in better overall times.
Adjust your target pace for hot weather (slow by 20-30 seconds per km above 20°C) and strong headwinds. Canadian winters may require 5-15% slower paces below -15°C.
If your easy pace feels unusually hard, take an extra rest day. Consistency over months matters more than any single workout. Recovery is when adaptation happens.
The time it takes to cover a unit distance, typically expressed as minutes per kilometer (min/km) or minutes per mile (min/mi).
The time it takes to complete a specific segment of a race or training run, often used to track pace throughout a longer distance.
The number of steps per minute while running. Optimal cadence is typically between 170-180 steps per minute for most runners.
Running the second half of a race faster than the first half, considered an effective racing strategy for optimal performance.
A sustained effort run at 'comfortably hard' pace, typically 25-30 seconds per mile slower than 5K race pace.
This calculator is based on the following authoritative sources and research:
Important Note: Pace calculations are based on standard athletic formulas. Individual performance varies based on fitness level, terrain, weather, and other factors. Always listen to your body and consult a healthcare provider before starting a new exercise program.
Common questions about pace calculation, training zones, and race predictions
Enter your information in the form on the left to see your results.
