MAS / VMA Running App is an amazing tool for those who want to get to know their speed and train with intervals. The app can be used for free. It's an online tool, you don't need to download anything, just install it and start using it. You will be able to see your speed and your exercise in the form of distance, speed, and time. The app will calculate your speed based on the speed you choose. 

How can I use it?

1. Download the app and install it on your device, it is free.

2. Log in with your Google or Facebook account, it is not necessary to create an account, just log in.

3. Start the first test. It is not necessary to do any other preparation, just start the test.

4. Choose the speed you want to use for the test, it is possible to choose from 5 km/h, 10 km/h, and 1 km/h.