You can get it by participating in keep activities. The specific steps are as follows:

1. Open the keep homepage and click the search bar.

2. Enter "Keep Ringing" and click Search.

3. Open the reserved ringing home page.

4. Confirm the activity type, and then click Register Now.

The event of saving medals is a one-time event. When you sign up on keep and choose to participate in the running medal activity, you have already chosen the established running.