The path, near C-470 and Wadsworth Blvd., includes a tunnel where it goes underneath C-470. When the woman entered the tunnel she was attacked and sexually assaulted.
The suspect is described as a white male, 30 to 40 years old, 5 feet 7 inches to 5 feet 9 inches tall, 175 to 185 lbs, with a lanky and athletic build. He had tan skin and light brown hair.
The Sheriff's Office will have bike patrol deputies on the bike trail today handing out flyers with a composite sketch of the suspect.
Below is a composite sketch. If anyone recognizes this man, or has any information regarding this crime, they are asked to call the Jeffco Sheriff's Office tip line at 303-271-5612.