bank of america chicago marathon 12 hours ago Abbott Health & Fitness Expo underway ahead of Bank of America Chicago Marathon The Abbott Health & Fitness Expo at the McCormick Place is officially underway ahead of the 2024 Bank of America Chicago Marathon. NBC Chicago’s Vi Nguyen reports. Local 3:08 The Food Guy: Mariscos San Pedro 2:39 Hurricane Milton leaves path of destruction in parts of Florida 2:08 Stranger offers plane ticket out of Florida to Illinois teen 4:10 Chicago spent more than $80K to renovate, furnish office for First Lady Johnson 3:06 Athletes reflect on marathon world record holder Kelvin Kiptum's legacy