Verb
bring up the rear (third-person singular simple present brings up the rear, present participle bringing up the rear, simple past and past participle brought up the rear)
(idiomatic) To be last in a moving line of people, to walk or go behind others in a line.
The Parade was escorted by ships from HMS Eaglet and Merseyside’s Royal Naval Reserve Training Centre, who will bring up the rear of the parade. Source: Internet
So before Mr. Imkong could collect himself, I hurriedly took the initiative and told him to bring up the rear. Source: Internet
Wear tennis shoes with no special bike gear and bring up the rear of the peloton forever or put on special shoes that clip you in like it’s the electric chair and hope you and your bike stay one with gravity. Source: Internet