According to police, the child was run over in Ogden at 2150 Adams Avenue just after 5:00 p.m.
Police say a white man in his early 20s with short hair and a mustache was driving a blue or silver Dodge Ram pick up truck. A passenger with a similar description (and red hair) was also riding in the truck, according to investigators.
Witnesses were unable to report a license plate.
Police say the child was transported in critical condition to Mckay-Dee Hospital.