42.195km.net. Useful tools for joggers and runners.

Jogging Calculator Run a Strange Road
With this tool you can find out the distance of the course you want to jog in miles or kilometers. If you input your running time for the course and your weight, it will also calculate the average speed and approximate number of calories burned.
Marathon Simulator With Changeable Variables
Use this to simulate your pace and splits for your goal time for the marathon, half, 10 mile and 10k.
Treadmill Calculator Look at your treadmill running from a new angle. You can input and change the velocity, angle, running time, weight and other variables. Who knows what you'll discover?
Swimming Calculator Burn in the pool!
To Japanese Version
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