Where will you cross the line at this year's Shamrock Shuffle? Take a look back at the live camera from the finish line at the 2013 race.
The 35-year-old road race marks the official start of the Chicago running season.
The Bank of America Chicago Marathon has postponed race registration until March 19 to check its new system, organizers said.
Tune in early and track runners through the urban, 8 kilometer road race -- which ranks among the 10 largest races in the United States and among the 20 largest in the world.