Running Pace Calculator
Solve for pace, time, or distance from the other two values. Use km or miles, min/km or min/mile, and optional even-split charts for 5K through the marathon.
What does a running pace calculator do?
For runners who need the missing number, not a fitness score.
A running pace calculator solves the pace-time-distance relationship. If you know any two, you can find the third. That is the right tool for “what pace is a 3:30 marathon?” or “how long is 10K at 5:00/km?” It is not a VDOT estimate and it does not invent training zones from a race result.
Calculator
Convert pace, time, and distance, then optionally build a split table.
Choose the value to solve, enter the other two, and optionally build a split chart.
Use a preset or enter a custom distance.
Fill the two known fields to calculate the missing one.
Even splits at the current pace. Choose marathon for a marathon pace chart.
| Split | Elapsed |
|---|---|
| Calculate a pace to see the split table. | |
How to use this pace calculator
Enter the two values you already know
Choose whether you want pace, time, or distance. Fill the other two fields and pick a race preset if you are targeting 5K, 10K, a half marathon, or a marathon.
Read the missing value
The calculator uses even-split arithmetic: time = pace × distance. It does not adjust for hills, heat, or fading late in a race.
Open the split chart if you need checkpoints
Pick a race distance to see even-split times at your current pace. That is a marathon pace chart only in the even-split sense, not a predicted race result.
Marathon pace calculator and pace chart
Use the marathon preset when you want even-split goal pace and checkpoint times.
Enter a goal marathon time to get min/km or min/mile, or enter a pace to get an even-split finish time. The table below shows common even-split marathon times. Real races usually cost more than the math once fatigue, weather, and hills appear.
| Pace | Even-split marathon time |
|---|---|
| 4:00 /km | 2:48:47 |
| 4:30 /km | 3:09:53 |
| 5:00 /km | 3:30:59 |
| 5:30 /km | 3:52:04 |
| 6:00 /km | 4:13:10 |
These finish times assume a constant pace on 42.195 km. They are not equivalent-performance predictions.
Pace calculator vs VDOT
This page owns pace, time, and distance. VDOT owns race-result fitness and training paces.
Use this running pace calculator when you already have a goal time or a target pace and need the other number, or a split chart. Use the VDOT calculator when you have a recent race result and want Daniels-style training paces or equivalent race predictions. The two tools answer different questions.
FAQ
How do I calculate running pace?
Can I use this as a marathon pace calculator?
What is a marathon pace chart?
Does this calculate VDOT or training paces?
Should I use min/km or min/mile?
Why is an even-split time faster than my last race?
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