2013 Bank of America Chicago Marathon - Preview

Kevin Selby and Chris Chavez preview Bank of America Chicago Marathon 2013. Who are the favorites? How will the Americans fare? Will Tegenkamp run alone? Is it just a duel on the women's side? All the answers here. Prediction Contest: If you want to win a free Nike t-shirt, be the one to correctly guess Chris Chavez's marathon debut time. Must tweet guesses and follow @Chris_J_Chavez on Twitter to be eligible. Here are a few clues to help you with your guess: 1:47 Half-Marathon - Set 2 weeks ago at the Brewers Half-Marathon; 22 mile workout ran in 3:18; Coached by Patrick Dormer; Rested since Thursday afternoon; Weather conditions look perfect; Goal Time: Under 4:00; Former Xavier High School Sprinter; Deadline: Sunday at 6:00 AM