Task: Go to Runkeeper app & Set the Biking activity goal to 500 kilometers
Steps:
open the Runkeeper app
go back
click on Delete
click on the Me tab at the bottom right corner of the screen
scroll down to view option
click on Create a new goal
click on Set A Goal button
click on Total Distance option
click on Total Distance section
enter the distance 500
click on Activity Type section 
select the Biking Activity
click on Set Goal button