Running Pace Calculator
Calculate your running pace, finish time, or distance for training and races.
Calculation Mode
Distance
mi
Time
hr
min
sec
Distance
mi
Pace
min
sec
/mi
Time
hr
min
sec
Pace
min
sec
/mi
Results
Your Pace
—/mi
Pace per mile
—
Pace per km
—
Speed (mph)
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Speed (km/h)
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🏅 Race Time Predictions
5K—
10K—
Half Marathon—
Marathon—
Understanding Running Pace
Running pace is typically expressed as minutes per mile (min/mi) or minutes per kilometer (min/km). It tells you how long it takes to cover a set distance.
For example, an 8:00/mi pace means you run one mile in 8 minutes, which equals about 7.5 mph or 12.1 km/h.
Target Pace by Race
| Race | Beginner | Intermediate | Advanced |
|---|---|---|---|
| 5K | 12:00/mi | 9:00/mi | 6:30/mi |
| 10K | 12:30/mi | 9:30/mi | 7:00/mi |
| Half Marathon | 13:00/mi | 10:00/mi | 7:30/mi |
| Marathon | 13:30/mi | 10:30/mi | 8:00/mi |
Tips for Improving Pace
- Interval training: Alternate between fast and slow running. Example: 400m fast, 400m recovery, repeat 8x.
- Long slow runs: Build aerobic base with easy-paced runs. Most training should be conversational pace.
- Tempo runs: Run at “comfortably hard” pace for 20-40 minutes to improve lactate threshold.
- Consistency: Regular training beats occasional hard workouts. Aim for 3-5 runs per week.
Important Considerations
- Weather effects: Heat and humidity significantly slow pace. Adjust expectations on hot days.
- Elevation: Hills and altitude affect pace. Uphill is harder; running at altitude requires acclimatization.
- Negative splits: Running the second half faster than the first is ideal race strategy.
- Recovery matters: Rest days and easy runs are when your body adapts. Don’t skip them.