Health & Fitness

Pace Calculator

Calculate running pace, time, and distance for races

Calculator

Hours
Minutes
Seconds
Results
Pace
5:00
per km
Speed
12
km/h
Total Time
25:00

Race Time Predictions

5K25:00
10K50:00
Half Marathon1:45:29
Marathon3:30:59
50K Ultra4:10:00
100K Ultra8:20:00

Split Times

1 km
5:00
2 km
10:00
3 km
15:00
4 km
20:00
5 km
25:00

Running Tips

  • A 5:00/km pace is approximately 8:03/mile
  • Elite marathoners run around 2:55-3:00/km (4:40-4:50/mile)
  • Negative splits (faster second half) often lead to better race times
  • Train at various paces to improve both speed and endurance

How to Use

Calculate running pace, time, or distance

1

Select calculation type

Choose to find pace, time, or distance

2

Enter known values

Input any two of pace, time, and distance

3

Choose units

Select km or miles

4

Get results

View calculated pace with splits table

Running Pace Formula

Pace = Total Time ÷ Distance
Time = Distance × Pace
Distance = Time ÷ Pace

Pace is typically expressed as minutes per mile or minutes per kilometer.

Frequently Asked Questions

Pace = Time ÷ Distance. If you run 5 km in 25 minutes, your pace is 5:00 min/km or 8:03 min/mile. Conversely, Distance = Time ÷ Pace, and Time = Distance × Pace. Our calculator converts between all three.

Beginners typically run 10-12 min/mile (6:15-7:30 min/km). A conversational pace (can talk while running) is ideal for building base fitness. Dont worry about speed initially - focus on consistency and gradually increasing distance.

Start conservatively - aim for even or negative splits (second half slightly faster). Marathon pace should be 1-2 min/mile slower than 10K pace. Use aid stations for walking if needed. Most runners slow 10-20% in the final miles.

Negative splits mean running the second half faster than the first - considered optimal for racing. Positive splits mean slowing down as the race progresses - common but not ideal. Even splits (consistent pace throughout) are also effective.

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