To access all available sports activities on the Redmi Watch 4, you can follow these steps:

## Use the watch interface
- Press the digital button to access the main menu of the watch.
- Select the running man icon to open the sports activity options.
- Here, you can choose from more than 150 types of sports activities, such as running, cycling, swimming, hiking and others.

## Use the Mi Fitness app
- Connect your Redmi Watch 4 to the Mi Fitness app on your smartphone.
- In the app, go to the "Training" or "Workout" section where you can view and select different sports activities.
- You can also set specific goals for each activity, such as distance, time and calories burned.

These steps will allow you to access and use all the sports functions available on the Redmi Watch 4.