Pace Calculator
Range: 0.1 - 100
Range: 0 - 24
Range: 0 - 59
Range: 0 - 59
Pace per Mile
9:39
min/mile
Pace per Kilometer
6:00
min/km
Speed (mph)
6.21
miles per hour
Speed (km/h)
10.00
kilometers per hour
Race Time Estimates
| Race | Distance | Est. Time |
|---|---|---|
| 5K | 5 km | 30:00 |
| 10K | 10 km | 1:00:00 |
| Half Marathon | 21.1 km | 2:06:36 |
| Marathon | 42.2 km | 4:13:12 |
Quick Distance Buttons
Pace Reference
- Walking: 15-20 min/mile (9-12 min/km)
- Jogging: 10-15 min/mile (6-9 min/km)
- Running: 7-10 min/mile (4-6 min/km)
- Fast Running: 6-7 min/mile (4-5 min/km)
- Elite:<5 min/mile (<3 min/km)
About the Pace Calculator
The Pace Calculator works out your running or walking pace, the time it takes to cover a unit of distance, and lets you solve for whichever of the three variables you do not know. Given any two of pace, distance, and total time, it computes the third. This is the core math behind every training plan, race goal, and treadmill setting.
Pace is usually expressed as minutes per mile or minutes per kilometer, and the calculator converts cleanly between the two as well as to speed in miles or kilometers per hour. For example, if you run 10 kilometers in 50 minutes, your pace is 5 minutes per kilometer, equivalent to about 12 kilometers per hour. The tool handles the time arithmetic so you do not have to convert seconds and minutes by hand.
Runners use pace calculations to set race targets, plan negative splits, and translate a goal finish time into the per-mile pace they must hold. It is especially handy for predicting a marathon or half-marathon finish from a known training pace, and for figuring out splits at checkpoints during a race. It complements time and unit conversion tools when you need to juggle metric and imperial distances.
A practical tip is to build your long-run and tempo paces around your goal race pace rather than always running flat out, since varied pacing prevents overtraining. When converting a race result, remember that pace naturally slows over longer distances, so do not assume your 5K pace holds for a marathon. Use the calculator to back-solve realistic split times before race day.
Frequently asked questions
- What is the difference between pace and speed?
- Pace is time per distance (such as minutes per mile), while speed is distance per time (such as miles per hour). They are inverses of each other, and the calculator converts between both.
- How do I convert minutes per mile to minutes per kilometer?
- Divide your minutes-per-mile pace by about 1.609 to get minutes per kilometer, since a mile is roughly 1.609 kilometers. The calculator does this conversion automatically.
- Can I predict my marathon time from a shorter race?
- You can estimate it, but pace slows over longer distances due to fatigue. Plug in a realistic target pace rather than your 5K pace, since holding a fast short-distance pace for a marathon is rarely possible.
- How do I calculate even or negative splits?
- Enter your goal finish time and distance to get your average pace, then run the first half slightly slower than that average and the second half slightly faster to achieve a negative split.