Bank of America Chicago 13.1: In just five years, the Chicago 13.1 has grown into a major summer race, attracting more than 13,000 participants. Shamrock Shuffle 8K Run: Sunday, March 22, 2026 Chicago 13.1: Sunday, June 7, 2026 Chicago Marathon: Sunday, October 11, 2026 What are the deadlines to submit my entry? Shamrock Shuffle 8K Run: Friday, February 13, 2026 Chicago 13.1: Friday, February 27, 2026 Chicago Marathon: Friday, May 22, 2026 When will I find out if I was selected? Shamrock Shuffle 8K Run: Friday, February 20, 2026 Chicago 13.1: Friday, March 27, 2026 Chicago Marathon: Friday, June 19, 2026How can you get selected? We’re looking for RW+ members with various running experiences who would like to race the Shamrock Shuffle 8K Run, Chicago 13.1, or Chicago Marathon.