Experience the vibrant energy of Chicago as you join us for an unforgettable race weekend filled with excitement, community spirit, and unique offerings. From early morning shakeouts to lively celebrations, this event is designed to enhance your running experience and connect you with fellow enthusiasts. Kick off the weekend by participating in one of our invigorating shakeout runs on Saturday morning. These short-distance warm-up sessions are perfect for getting your legs ready for race day while enjoying scenic routes around Chicago's vibrant neighborhoods. The atmosphere is electric, with runners gathering to share tips, stories, and pre-race jitters. Throughout the weekend, stop by our pop-up store located in a central location within the city. Here, you can collect your race packet, grab exclusive merchandise from our Chicago Marathon collection, and pick up any last-minute essentials for the big day ahead. The store is also where runners gather to exchange stories, take photos with friends, and soak in the festive ambiance. On Sunday morning, as dawn breaks over Chicago, make your way to the starting line of the marathon or half-marathon event. Whether you're a seasoned runner tackling the full 26.2 miles or taking on the challenge of the half distance for the first time, this race offers an incredible backdrop with its iconic skyline and diverse urban landscapes. After crossing the finish line, join us at our post-race celebration area where refreshments await to help replenish your energy. Cheer on fellow runners as they complete their journeys, or simply take a moment to bask in the sense of accomplishment that comes with pushing through personal boundaries. Don't miss out on this special opportunity to be part of Chicago's running community and celebrate all things marathon at our weekend events. Whether you're gearing up for race day or just looking to soak in the atmosphere, there’s something for everyone during this dynamic pre-race gathering. Join us from October 7th through the weekend as we come together to honor passion, perseverance, and the joy of running amidst one of America's most beloved cities.
Races Offered
Finisher's Poster Stamping
Oct 07, 2026
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Distance —
Finishers Poster Stamping
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Type —
Running
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22 days remaining
Marathon After Party
Oct 07, 2026
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Distance —
42.2K
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Type —
Running
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22 days remaining
Pre-Race Shakeout
Oct 07, 2026
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Distance —
Pre-Race Shakeout
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Type —
Running
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22 days remaining
Weather History
These values represent the 3-year monthly averages for October in Chicago.
thermostatTemperature
10.0° / 17.9°
wb_sunnyFeels like
6.3° / 14.5°
light_mode
Avg sunshine hours
8h 22m
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Avg rainfall
2.5 mm
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Avg snowfall
—
air
Avg wind speed
16.4 km/h (Gentle breeze)
opacity
Sweat loss rate
Low
terrain
Course conditions
Firm and slightly soft
sunny
Max UV Index
Moderate (4.0)
humidity_mid
Humidity
69.3%
wb_twilight
Sunrise
07:04
nightlight
Sunset
18:07
About Chicago
Learn more about the host city, Chicago.
Chicago is the most populous city in the U.S. state of Illinois and in the Midwestern United States. Located on the western shore of Lake Michigan, it is the third-most populous city in the United States, with a population of 2.74 million at the 2020 census. The Chicago metropolitan area has approximately 9.62 million residents according to the 2020 census and is the third-largest metropolitan area in the country. Chicago is the county seat of Cook County, the second-most populous county in the U.S.