A 20-year-old woman who was struck Friday by a vehicle on Roosevelt Boulevard in Olney died Saturday afternoon, police said.

The woman had been out running shortly before 5 p.m. Friday when she was hit by a 2012 Chevy Equinox in the outer southbound lanes of the boulevard near Bingham Street.

The investigation showed the woman was crossing the outer southbound lanes of the boulevard, where there was a crosswalk, but was running against a red light, police said.

Police said the woman ran into the side of the SUV and was thrown onto the windshield, falling onto the road. She suffered severe head injuries and was transported by medics to Einstein Medical Center in critical condition.

She was pronounced dead at the hospital at 12:51 p.m. Saturday.

The 56-year-old man driving the SUV had just crossed over from the inner lanes of the boulevard to the outer southbound lanes when the accident happened.

The driver stayed at the scene. Police did not release any names.

- Julie Shaw