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The Lake Run
A 12K loop around Lake Bloomington
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Great Western Half-Marathon & 10K
Flat out-and-back on the Great Western Trail
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Bob Blazier Run for the Arts
Honors 'Mr. Crystal Lake,' benefits the Raue Center
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Starved Rock Country Marathon
Near the sandstone canyons of Starved Rock State Park
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F^3 Cap Sauers Trail Marathon & 10 Mile
Chicago's last independent trail marathon, 1,000ft climb
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Rivian 5K
Runs Bloomington-Normal's Constitution Trail
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The Legendary Quarryman Race
Hilly course through Lemont's historic quarry town
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Under Armour Women's Run
Chicago womens race with 5K, 10K and 15K medal challenge
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Cinco de Miler 5-Mile Run
Lakefront race finishing under a giant piñata arch
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Bridge the Gap to Health Race
Crosses the Mississippi River bridges at Quincy
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Maryville Police Donut Dash 5K
Starts and finishes at Drost Park
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JPMorganChase Corporate Challenge
The world's largest corporate running series
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BeACTIVE
Starts and finishes at Joliet Regional Airport
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Spirits Run on the Rocks a Waukegan 5k
Lakefront 5K starting at Green Town on the Rocks
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Hegewisch Community Center: Wolf Lake 5k
Tours the shoreline of Wolf Lake in Hegewisch
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Galena Sky Trail Race
Loops on ski slopes above the Mississippi River
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Spring Trail Chase 10K
Chicago's only CARA trail race, through Lemont quarries
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Chicago Spring Half Marathon
Lakefront half marathon celebrating spring along Chicagos shoreline
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Neoga Days 5K Run & Walk
Kicks off Neoga's Sweet Summertime festival weekend
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ABC7 Gibbons 5K Run + 3K Walk
Through Chicago's lakefront Grant Park
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Soldier Field 10
Ten miles through Chicago finishing inside historic Soldier Field
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Lincoln Memorial Garden
Trails through a Jens Jensen-designed prairie garden
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Run for the Zoo
Loops past Lincoln Park Zoo along Chicago's lakefront
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Mistie Hill Wine Run 5k
Starts and finishes at the winery
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Save any of these to your season in RunCalendar and hear the morning entries open. Free on iPhone, no account needed.
Every race here is published by its organiser; RunCalendar checks the date and the entry window against the organiser's own page and rebuilds this calendar every night. A confirmed date shows its day; a provisional one shows only its month. Last updated 22 October 2026.