To locate your participant ID please follow the steps below:
1) Log in to your Extra Life Account using the "LOGIN" button on the upper right hand side.
2) Click "Your Page" on the upper left side.
3) Scroll down until you see the "Settings" option, and then click on it. Once you do, your particpant ID will be located on the lower left hand side. 
If you need additional assistance please don't hesitate to reach out to our support team at support@extra-life.org.