They describe a leaderboard built from server members' shared gaming activity, while actual rollout remains unconfirmed.
When It Appears
“{statQuestion} This competition ends {endsAt}.” can appear on a server view that ranks shared gaming activity and shows a timed competition when Discord displays the description combining the competition question with its end time.
When “{statQuestion} This competition ends {endsAt}.” is shown, the current step is presenting the description combining the competition question with its end time.
Search Intent
A user who saw “{statQuestion} This competition ends {endsAt}.” in Discord is likely searching to confirm that it means the description combining the competition question with its end time, where it appears, and which state it describes.