The attack happened on the 200 block of 8th Street SE about 10:35 p.m., according to an email from Metropolitan Police First District Commander Jeff Brown.
The woman was approached from behind and pushed to the ground. The attacker then stole a tote bag from the woman and tried to pull her pants down before she was able to flee.
Police are investigating the incident as an assault with intent to commit first degree sexual abuse, according to Brown. Police do not have a description of the assailant.
A similar crime occurred on Saturday night near the H Street corridor.