Article Photos: Record times eyed in Chicago Marathon



Liliya Shobukhova from Russia, listens to a question during a news conference of elite runners participating in the Chicago Marathon, Friday, Oct. 5, 2012, in Chicago. The race will be run Sunday, Oct. 7. (AP Photo/Charles Rex Arbogast)

Liliya Shobukhova from Russia, listens to a question during a news conference of elite runners participating in the Chicago Marathon, Friday, Oct. 5, 2012, in Chicago. The race will be run Sunday, Oct. 7. (AP Photo/Charles Rex Arbogast)