Running Races in Illinois — 2026

There are 387 running races in Illinois in 2026 across 212 cities. The next upcoming race is the SAO HYROX Full SIM in Oswego on October 11. Popular distances include 5K races, half marathons, ultras.

Browse by City

Chicago 166 Springfield 37 Rockford 19 Bloomington 19 Lake Zurich 17 Palatine 17 Normal 15 Wheaton 14 Decatur 14 Aurora 14 Joliet 13 Elk Grove Village 13 Marion 11 Urbana 11 Belleville 11 Hudson 11 Champaign 11 Lisle 11 Edwardsville 10 Herrin 10 Evanston 9 Peoria 9 Crystal Lake 9 Rock Island 8 Lemont 8 New Lenox 8 Mattoon 8 Ottawa 7 Naperville 7 Schaumburg 7

Miles for Mae

Sat, Oct 10 · Effingham, IL Effingham
Road Miles for Mae 5KMae's Mini Mile (Kids Lap)
From $10 Open Closing Soon
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Welcome Run 5K

Sat, Oct 10 · Lansing, IL Lansing
Virtual Welcome Run Virtual 5KWelcome Run 5KWelcome Run Kids Race (10 and under)
From $5 Open
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SAO HYROX Full SIM

Sun, Oct 11 · Oswego, IL Oswego
SAO RUNNING ROX 9:20 WOMEN PRO / MEN OPEN / MIXED DOUBLES / MALE DOUBLESSAO RUNNING ROX 9:40 WOMEN OPEN SINGLE/DOUBLESAO ROX FULL SIM 7:30am MEN PRO +19
From $25 Open Closing Soon 3 spots left
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JAIMIE COX MEMORIAL RUN

Sat, Oct 17 · Roscoe, IL Roscoe
Virtual 5K Run or 2- Mile Walk ParticipantKids Registration (12 and under -- Youth T-Shirt Only)Virtual Supporter
From $20 Open Closing Soon
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Train Up 5K and Fun Run

Sat, Oct 17 · Northfield, IL Northfield
Road 1 Mile Fun Run/Walk | Adults, non-CHA students1 Mile Fun Run/Walk | CHA Students 1st grade+5K | CHA students 3rd grade+ +3
From $10 Open
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