Pace Calculator
Calculate running/walking pace and speed using distance, time, and pace.
Input Information
Result
Easily calculate running/walking pace and speed!
The pace calculator automatically computes the remaining value when you enter any two of distance, time, or pace. It is used for running, marathons, walking, and other exercises to understand your pace and speed.
Pace (min/km) represents the time taken to run 1km, while speed (km/h) shows the distance covered in 1 hour. They can be converted between each other as reciprocals.
Useful for marathon training, interval training, and setting goal times to create effective exercise plans.
Term Glossary
- Pace
- Time (minutes) to travel 1km. Lower values mean faster speed. The most common speed expression in running.
- Speed
- Distance (km) traveled in 1 hour. Reciprocal of pace, expressed in km/h.
- Marathon Pace
- Uniform speed to finish 42.195km. Elite: 3-4 min/km, general: 5-7 min/km.
- Select mode → Choose speed-to-pace or pace-to-speed conversion
- Enter values → Input distance (km), time, or pace (min:sec/km)
- Convert → Click the Calculate button to perform the conversion
- View results → Check your calculated pace/speed and reference running paces
Speed 10 km/h → Pace conversion
10 km/h = 60 ÷ 10 = 6:00 min/km
Pace 5:00 min/km → Speed conversion
5:00 min/km = 60 ÷ 5 = 12.0 km/h
Marathon finish time prediction
Pace 5:00/km × 42.195km = 3 hours 30 minutes 58 seconds
Pace Calculation Formulas
Basic Relationships
Pace (min/km) = Total time (sec) ÷ Distance (km) ÷ 60Speed (km/h) = Distance (km) ÷ Total time (hours) × 3600Conversion Formulas
Speed (km/h) = 60 ÷ Pace (min/km)Pace (min/km) = 60 ÷ Speed (km/h)Reference: Typical Pace Ranges
- 3-4 min/km: Marathon elite
- 5-7 min/km: Marathon finisher
- 7-9 min/km: Jogging/running
- 10-13 min/km: Fast walking
- 13+ min/km: Normal walking
Key tips for pace management
1. Don't start too fast
The most common mistake in marathons is going out too fast. Start the first 3km at a slightly slower pace than usual.
2. Maintain an even pace
Keeping pace variation within ±10 seconds improves energy efficiency. Use a GPS watch or running app to monitor pace in real time.
3. Train at target pace
To achieve your goal time, train at the target pace for consistent distances. E.g., a 4-hour marathon requires training at 5:41/km pace.
4. Link breathing with pace
Maintaining a consistent breathing rhythm helps stabilize pace. A 3-2 rhythm (inhale 3 steps, exhale 2 steps) is generally effective.
5. Adjust pace for conditions
Account for hills, heat, and wind. On uphills, run 10-20% slower than your flat-land pace for optimal effort management.
QWhat is the difference between pace and speed?
Pace (min/km) is the time to run 1km; speed (km/h) is the distance covered in 1 hour. They are reciprocals — dividing 60 by pace gives speed.
QHow do I set a marathon goal time?
Multiply your target pace by 42.195km. E.g., 5:30/km → ~3h52m, 6:00/km → ~4h13m.
QWhat pace is appropriate for beginners?
A conversational pace (7–9 min/km) is recommended. Start at a comfortable speed without overexerting.
QHow should I adjust pace on hills?
Run 10–20% slower uphill and 5–10% faster downhill than your flat pace. Avoid sudden changes to prevent injury.
QHow can I improve my pace?
Combine interval training (fast-slow repeats), tempo runs (sustained high effort), and long runs (endurance) for effective improvement.