Running Pace Calculator
Know your pace. Pick your race.
Type what you ran. We work out your pace and predict every race time from 5K to ultra. No signup, no math.
You ran 10K in 50:00 — that's 5:00 per km.
How to use the pace calculator
- 1
Pick what you want to calculate
Choose pace, time or distance — the other two become the inputs.
- 2
Enter your numbers
Type the distance, time or pace you already know. Switch between km and miles freely.
- 3
Read your result and splits
See your pace, projected race times for every standard distance and a split-by-split breakdown.
Pace → race time chart
Reference chart for runners who already know their target pace. Pick a row and read the finish time across every standard race distance.
| Pace | 5K | 10K | 15K | Half marathon | Marathon | 50K |
|---|---|---|---|---|---|---|
| 4:00 min/km | 20:00 | 40:00 | 1:00:00 | 1:24:23 | 2:48:47 | 3:20:00 |
| 4:30 min/km | 22:30 | 45:00 | 1:07:30 | 1:34:56 | 3:09:53 | 3:45:00 |
| 5:00 min/km | 25:00 | 50:00 | 1:15:00 | 1:45:29 | 3:30:59 | 4:10:00 |
| 5:30 min/km | 27:30 | 55:00 | 1:22:30 | 1:56:02 | 3:52:04 | 4:35:00 |
| 6:00 min/km | 30:00 | 1:00:00 | 1:30:00 | 2:06:35 | 4:13:10 | 5:00:00 |
| 6:30 min/km | 32:30 | 1:05:00 | 1:37:30 | 2:17:08 | 4:34:16 | 5:25:00 |
| 7:00 min/km | 35:00 | 1:10:00 | 1:45:00 | 2:27:41 | 4:55:22 | 5:50:00 |
Pace benchmarks for amateur runners
Rough guide based on amateur athletes worldwide. Pace varies with terrain, weather and training, so treat these as orientation, not a verdict.
| Beginner | 6:30 – 7:30 min/km | New to running, building base mileage. |
| Intermediate | 5:00 – 6:30 min/km | Trains 3–5 days a week, has finished a 10K. |
| Advanced amateur | 4:00 – 5:00 min/km | Sub-1:30 half marathon, structured training. |
| Elite amateur | < 4:00 min/km | Sub-3 marathon territory or faster. |
Find a race that matches your pace
Now that you know your numbers, lock in a goal race. SportPlan tracks running events worldwide — pick a distance and start your season.
Short, sharp and great for testing your top-end pace.
The classic distance — the sweet spot of speed and endurance.
A serious goal that still fits a normal training week.
The benchmark distance. Pace discipline decides everything.
Beyond 42.195km — pace planning matters even more.
What is a good time?
Compare your numbers to reference times by level and age. One guide per distance.
Related calculators
Tools that pair well with this one — open in a new tab and keep planning.
Type a recent race result and we predict your finish time at every standard distance — 5K, 10K, half marathon, marathon and beyond.
Turn treadmill speed and incline into min/mile, min/km and outdoor-flat-equivalent pace.
Pick a target finish time and split strategy. Get first/second-half splits and every-5K targets to print on your wrist.
Convert a recent race result to your Daniels VDOT score and get easy/marathon/threshold/interval training paces.
FAQ
How do I calculate running pace?
Pace is total time divided by distance. For example, running 10 km in 50 minutes is a pace of 5:00 min/km. This calculator does the math instantly and converts between min/km and min/mi.
What is a good pace for a beginner?
Most beginners run between 6:30 and 7:30 min/km (about 10:30–12:00 min/mi) on flat terrain. Conversational pace — where you can still hold a chat — is a healthier guide than chasing a specific number.
How fast is marathon pace?
A 4-hour marathon is roughly 5:41 min/km. Sub-3:30 means about 4:58 min/km, sub-3:00 means 4:16 min/km, and elite amateurs typically run under 4:00 min/km. Use the predictor above to plan yours.
How accurate are race-time predictions?
Predictions assume even pacing and similar terrain. In practice, marathon time is rarely exactly twice the half — fatigue, fueling and the course profile all matter. Treat predictions as a starting point and refine with race results.
Should I train at race pace?
Most weekly mileage should be slower than race pace. Race-pace work belongs in tempo runs, intervals and race-specific long runs. The pace calculator helps you set those targets without overthinking the math.