-
-
Last Chance BQ.2 Marathon
Flat fast loop course built for chasing Boston Qualifying times
-
-
Rock Cut Hobo Trail Runs
Trail loops through Rock Cut State Park's lakes
-
Elwood Community Days 5k Run & Walk 2026, In Memory Of Our Fallen Heroes
Elwood's 25th-anniversary 9/11 tribute run
-
-
Kennekuk Road Runners - Wild Wild Wilderness
Trail race at Kennekuk Cove Park since 1981
-
-
-
Run Mag Mile 5K and 10K
Sprint down a shutdown Michigan Avenue through Chicagos skyline
-
-
Run for the Parks 5K
Along Chicago's Lakefront Trail on Lake Michigan
-
Miles for Manufacturing (M4M) 5K Run/Walk
Part of IMTS, North America's largest manufacturing show
-
-
-
17th Annual Alton Miles for Meso 5K Race & 3K Fun Run/Walk
Through historic river-bluff town of Alton, Illinois
-
-
-
-
Race to Wrigley 5K Charity Run
Chicago streets finishing near Wrigley Field
-
-
-
-
-
-
-
-
Belleville Main Street Marathon
Race down Americas longest Main Street in historic Belleville
-
-
Quad Cities Marathon
Crosses the Mississippi between Iowa and Illinois
-
Chicago Half Marathon
Along Lake Michigan's flat downtown lakefront
-
Plainfield Harvest Run 5k/10k & Kids Miler
28th annual race has donated $400K+ to nonprofits
-
Run the River for Respect 5K
Along the Illinois River at Ottawa's Heritage Harbor
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.