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Illinois Marathon Races

Upcoming marathon races in Illinois, sorted by date.

1 Mile5K10K15K10 MileHalf MarathonMarathonUltra

Nov 2026

Nov14Sat

Tunnel Hill

Vienna, IL

100 Miles100K50 Miles26.2 Milesregistration closed

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Dec 2026

Dec1Tue

Santa Hustle Virtual

Virtual · from $35

26.2 Miles13.1 Miles6.2 Miles3.1 Miles1K

Mar 2027

Mar27Sat

Rend Lake Marathon

Benton, IL · from $50

26.2 Miles13.1 Miles6.55 Miles

May 2027

May2Sun

Chicagoland Spring Marathon, Half Marathon & 10K

Schaumburg, IL · Virtual option · from $40

26.2 Miles13.1 Miles10K
May8Sat

F^3 Cap Sauers Trail Marathon & 10 Mile

Palos Hills, IL · from $80

26.2 Miles10 Miles
May8Sat

Starved Rock Country Marathon

Ottawa, IL · from $45

26.2 Miles13.1 Miles6.2 Miles3.1 Miles

Oct 2027

Oct8Fri

Bank of America Chicago Marathon Semper Fi & America's Fund Team

Chicago, IL · from $100

26.2 Miles
Oct10Sun

2027 Bank of America Chicago Marathon ACS Team DetermiNation Reservation System

Chicago, IL · from $25

26.2 Miles

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Race listings come from RunSignup. Dates, prices and details can change, so confirm on the race's registration page.