These utilities are provided by Util Monster (util.monster) - util.monster
※ Auto Calculate Pace per km & Average Speed (2025)
Purpose of This Tool
The Running Pace Calculator automatically calculates your pace per km and average speed when you enter your target distance and time. It's optimized for marathon, half marathon, and 10km running preparation, helping you plan your training and set target pace.
Distance Selection (Presets)
5km
10km
Half (21.1km)
Full (42.2km)
Target Distance
km
Target Time (Hours)
hours
Target Time (Minutes)
min
Target Time (Seconds)
sec
Pace per km
5'00"
Average Speed
12.0 km/h
Total Distance
10.0 km
Total Time
50min
※ Pace: Time taken to run 1km (min'sec")
※ Average Speed: Distance covered per hour (km/h)
※ Actual running pace may vary depending on fitness, weather, terrain, etc.