CSU police are investigating an attempted sex assault that is reported to have happened Friday night at the Jack Christensen track on the northwest corner of South College Avenue and Pitkin Street.

A male victim reported being pushed to the ground by a man wearing a ski mask. The assailant is described as being about 6 feet tall, 180-200 pounds with a raspy voice, a post on CSU’s Public Safety website said.

Those with information are asked to call the CSU Police Department at (970) 491-6425. When more information is available, it will be posted to www.safety.colostate.edu.