World Majors · Chicago, USA
Bank of America Chicago Marathon 2027: how to get in
Race daySunday, October 10, 2027
Entry windowOct 8 – Oct 29, 2026
StatusOpen now
OddsAbout 1 in 4 in recent drawings
Where things stand
Closes Thu Oct 29 at 2:00 p.m. CT. Drawing results emailed Tue Dec 8, 2026. Pay by Dec 15 or lose the spot.
Every way in
- Non-guaranteed drawing Open to anyone. One application per person; duplicates are removed before the draw.
- Time qualifier Guaranteed entry if you ran a qualifying time between Jan 1, 2025 and Oct 29, 2026.
- Legacy finisher Guaranteed if you've finished Chicago five or more times in the last 10 years.
- Chicago Distance Series Finish the Shamrock Shuffle 8K, Chicago 13.1 and the marathon in one year and the next marathon is guaranteed.
- Charity or tour operator The fallback if the drawing says no. Tour packages bundle entry with hotel.
Odds are estimates from past cycles. Field size: About 55,000.