Nearly 27,000 runners take part in the 2025 Bank of America Shamrock Shuffle on March 23, 2025. In its 44th year, the annual 8K race and 2-mile walk kicks off the official Chicago outdoor season.

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. CHICAGO — Thousands of runners ...