Go to your profile, then settings, then delete account.

I hope everything worked out for you.

RIP

@We_Is_Ne_Ryk find the delete button?

oh god he found it

thank you for this helpful post on [quote]i wanna delete "my" account[/quote]

I want to delete account

@JyotiHada, then please press the delete located in settings.

It's under "Account": https://www.speedrun.com/settings/account