All These People Were Psyched To Be Running The Chicago Marathon This Morning

1,000 Additional Cops Deployed For Chicago Marathon, Including 'Heavy Undercover Presence'

In Wake Of Vegas Shooting, Rahm Says Chicago Is 'Prepared' For MLB Playoffs & Marathon

Photos: 30 People Who Were So Psyched To Be In The Chicago Marathon

Photos: Inside The 2016 Chicago Marathon

CTA Expands Service Because Traffic Will Be Pure Insanity This Weekend

Chicago Marathon Runner Wrote A Personal Ad On His Body To Score Dates

Video: This Couple Got Married In The Middle Of The Chicago Marathon

Photos: Inside The 2015 Chicago Marathon

What You Need To Know About The 2015 Chicago Marathon

Marathoner Rita Jeptoo Banned 2 Years, Will Likely Lose 2014 Chicago Marathon Title

Chicago Marathon Women's Winner Fails Doping Test

Chicago Marathon Registration Postponed After Another Online Snafu

Next Year, Watch the Chicago Marathon from the South Side

Kenyans Dennis Kimetto, Rita Jeptoo Win Chicago Marathon

Expect Delays On CTA Marathon Sunday

Friday Afternoon Diversion: The Old Style Chicago Marathon

Chicago Marathon Officials Rethink Security In Wake Of Boston Bombings

Bank Of America Chicago Marathon Will Hold Lottery For Remaining Open Race Slots

Chicago Marathon Officials Will Announce Plan To Re-Open Registration Next Week

Chicago Marathon Officials Working To Discover Problem That Led To Suspending Registration

Chicago Restaurant Deals To Stuff Yourself Before And After The Marathon

Chicago Marathon To Lance Armstrong: Stay Away

The Chicago Marathon Spectators' Guide