According to police, the victim told investigators a man driving a white, 4-door Acura with silver rims approached her on Clarendon Street near Guess Road around 7:30 a.m.
Police say she told them that the man got out of his car and assaulted her, but she managed to run away. The victim told investigators the man chased her and caught her behind a business in the 2000 block of Guess Road, where he sexually assaulted her.
The suspect is described as a black male in his early 20s, 5'5" to to 5'7", with a medium build. He had thick, nappy hair and was clean-shaven. He was wearing a white T-shirt and black pants.
Anyone with information is asked to call Crimestoppers at 683-1200.