Pace Calculator – Running Pace, Speed & Time Calculator

Free running pace calculator for runners. Calculate pace, distance, time, and convert between min/mile and min/km. Perfect for race planning.

๐Ÿƒ โฑ๏ธ ๐Ÿƒ

Pace Calculator

Calculate running pace, speed, time, and distance. Perfect for training and race planning with instant conversions.

๐Ÿƒ Calculate your pace, distance, or time instantly! โฑ๏ธ
Pace
0:00
per km

Time

0:00
hh:mm:ss

Distance

0
km

Pace

0:00
per km

Speed

0
km/h

๐Ÿงฎ Pace Calculation Formulas

Calculating Pace

Pace is calculated by dividing the total time taken by the distance covered.

Pace = Time รท Distance

Example: 50 minutes 25 seconds รท 5 kilometers
Convert time to minutes: 50 + (25 รท 60) = 50.417 minutes
Pace = 50.417 รท 5 = 10.083 min/km โ‰ˆ 10:05 min/km

Calculating Distance

Find how far you've traveled by dividing time by pace.

Distance = Time รท Pace

Example: 45 minutes at 6:00 min/km pace
Pace in decimal: 6 minutes = 6 min/km
Distance = 45 รท 6 = 7.5 kilometers

Calculating Time

Determine how long it takes to cover a distance at a given pace.

Time = Distance ร— Pace

Example: 10 km at 6:00 min/km pace
Time = 10 ร— 6 = 60 minutes = 1:00:00

Speed Conversion (Pace to km/h)

Convert your pace to speed in kilometers per hour.

Speed (km/h) = 60 รท Pace (min/km)

Example: 10:00 min/km pace
Speed = 60 รท 10 = 6 km/h

Pace Conversion (Miles โ†” Kilometers)

Convert between minutes per mile and minutes per kilometer.

1 mile = 1.609344 kilometers

To convert min/mile to min/km:
min/km = min/mile รท 1.609344

Example: 10:00 min/mile
min/km = 10 รท 1.609344 = 6:13 min/km

๐Ÿ† Typical Races & World Record Paces

Men's World Records

Distance Pace (min/mile) Pace (min/km) Record Holder
100 meters 2:35/mi 1:36/km 9.58s (Bolt, 2009)
1 mile 3:43/mi 2:19/km 3:43.13 (Weastbrook, 2020)
5K 4:04/mi 2:31/km 12:35.36
10K 4:14/mi 2:38/km 26:11.00
Marathon 4:41/mi 2:55/km 2:01:09

Women's World Records

Distance Pace (min/mile) Pace (min/km) Record Holder
100 meters 2:49/mi 1:45/km 10.49s (Griffith-Joyner, 1988)
1 mile 4:13/mi 2:37/km 4:12.56
5K 4:34/mi 2:50/km 14:11.15
10K 4:45/mi 2:57/km 29:30.45
Marathon 5:10/mi 3:13/km 2:15:25

๐Ÿ”„ Common Pace Conversions

Miles Per Hour to Kilometers Per Hour

Convert running speed between imperial and metric systems.

kph = mph ร— 1.609344
mph = kph รท 1.609344

Example: 10 mph to kph
10 ร— 1.609344 = 16.09 kph

Quick Pace Reference

Min/Mile Min/Kilometer MPH KPH
5:00 3:06 12 mph 19.3 kph
6:00 3:44 10 mph 16.1 kph
7:00 4:21 8.6 mph 13.8 kph
8:00 4:58 7.5 mph 12.1 kph
10:00 6:13 6 mph 9.7 kph

โ“ Frequently Asked Questions

What's the difference between pace and speed? +
Pace measures time per distance (e.g., 6:00 min/km), while speed measures distance per time (e.g., 10 km/h). They're inverses of each other. Runners typically use pace, while cyclists and drivers typically use speed. Both describe the same movement, just expressed differently.
How do I improve my running pace? +
Improve pace through: interval training (fast/slow repeats), tempo runs (sustained harder effort), long runs (build aerobic capacity), speed work, proper nutrition and hydration, adequate sleep, and consistent training. Gradually progress intensity and don't increase mileage more than 10% per week to avoid injury.
What's a good running pace for beginners? +
Most beginners start at 6-8 min/km (9:30-13 min/mile) pace. The exact pace depends on fitness level, age, and running background. The key is consistency, not speed. Once you can comfortably run at this pace for 30 minutes, you can work on gradually improving it.
How do I calculate finish time for a race? +
Multiply your pace by the race distance. For example, if your pace is 6:00 min/km and you're running a 10K: 10 km ร— 6:00 = 60 minutes. For a marathon (42.2 km) at 6:00 min/km: 42.2 ร— 6:00 = 253.2 minutes โ‰ˆ 4 hours 13 minutes.
Should I run the same pace for every workout? +
No! Effective training uses varied paces: easy runs (recover, build base), tempo runs (push moderate), intervals (fast repeats), and long runs. This variation builds aerobic capacity, speed, and endurance. Most runners run too fast on easy days - slow down to recover properly!
How accurate is the pace calculator? +
The calculator is mathematically precise. However, actual running performance depends on terrain (hills vs flat), weather, fitness, and fatigue. Use the calculator for planning and tracking, but remember that real-world pace varies based on these factors.
Can I use this for other activities like cycling? +
Yes! The pace calculator works for any distance-time activity: running, cycling, swimming, walking, or hiking. Just input your time and distance, and you'll get pace calculations. Speed conversions work identically regardless of the activity.
Why do my split times vary? +
Pace naturally varies due to: terrain (hills slow you down), weather (wind, temperature, humidity), fatigue (slower late in workouts), pacing strategy (negative splits vs positive), and day-to-day fitness fluctuations. This is normal! Track trends over time rather than obsessing over individual runs.