🏃 Bank of America Chicago Marathon 2026
A World Marathon Major — 55,000 runners on one of the world's fastest courses.
The Bank of America Chicago Marathon is one of the six Abbott World Marathon Majors and arguably the flattest, fastest course in the series. Held on the second Sunday of October, the 2026 edition expects 55,000 runners from around the world. Chicago has delivered multiple world records (Kelvin Kiptum's 2:00:35 in 2023, Ruth Chepngetich's 2:09:56 in 2024) thanks to its flat, cool-weather profile.
Highlights
- 55,000 runners from 100+ countries
- Abbott World Marathon Major — counts toward the Six Star medal
- Flat, fast course — often a PR target for serious amateurs
Für wen?
Time-chasing runners wanting a PR course. Coaches prepping clients for a fall goal race. Brands in running gear and nutrition, with major US media exposure.
Wie teilnehmen
Non-guaranteed entry is lottery-based (opens late October the year before). Guaranteed entry via charity, time qualifier, or legacy runner. Expo at McCormick Place the days before race day.
Praktische Infos
Start and finish in Grant Park. O'Hare (ORD) and Midway (MDW) both serve Chicago. October weather is cool and often ideal (5-12°C typical). Book hotels in the Loop area 4-6 months ahead.
If your client wants to run their fastest marathon, Chicago is the answer. Elite-level logistics, iconic course, and a crowd that never lets up.