Is it permissible to supplicate to be the closest to the Prophet (may Allah's peace and blessings be upon him) in Paradise, or is this considered an transgression in supplication?

The best of the nation after its Prophet is Abu Bakr, then Omar, then Othman, then Ali, then the rest of the Ten [companions promised Paradise], then the rest of the Companions according to their ranks. They are the closest to the Prophet, peace and blessings be upon him, and the most deserving of his intercession. To pray with the wish to be better than them is impossible and is considered an transgression in supplication.