Running Races in Illinois — 2026

There are 536 running races in Illinois in 2026 across 275 cities. The next upcoming race is the MMTT Splash and Dash - Geneva in Geneva on July 22. Popular distances include 5K races, 10K races, half marathons.

Browse by City

Chicago 134 Springfield 29 Bloomington 18 Aurora 16 Rockford 16 Palatine 15 Normal 14 Elk Grove Village 14 Wheaton 13 Joliet 12 Hudson 11 Decatur 11 Belleville 10 Lisle 9 Crystal Lake 9 Evanston 9 Peoria 9 Elgin 8 Champaign 8 Lemont 8 Urbana 7 Edwardsville 7 Naperville 7 Plainfield 7 Shorewood 7 Herrin 6 Ottawa 6 Downers Grove 6 Roscoe 6 New Lenox 6

C-U Triathlon

Sun, Jul 19 · Champaign, IL Champaign
Triathlon Triathlon - ResidentTriathlon - Non Resident
From $60 Open Closing Soon
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Tom Short 5K

Sat, Aug 1 · Shelbyville, IL Shelbyville
Road 1 Mile Run/WalkTom Short 5K Trail Run
From $25 Open Closing Soon
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Dawson Lake Dash

Sun, Aug 2 · Le Roy, IL Le Roy
Road Kids Run, One Mile Walk and Puppy Prance3.5 Mile Run/Walk
From $10 Open Closing Soon 18 spots left
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White Squirrel Kids Triathlon

Fri, Aug 7 · Olney, IL Olney
Triathlon Family Division - Non Richland County Youth (Ages 3 to 8)Iron Division - Non Richland County Youth (Ages 11 to 15)Sprint Division - Non Richland County Youth (Ages 9 to 12)
From $25 Open
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Ben's Memorial Mile & Community Festival

Sat, Aug 8 · Downers Grove, IL Downers Grove
Virtual Open Mile (runners/walkers slower than 6:30 for 1 mile). There is an option later in this form to purchase a T-shirt for an additional $10.Elite Mile (6:30 or faster for 1 mile). There is an option later in this form to purchase a T-shirt for an additional $10.T-shirt (If you are not participating in the races but would like a T-shirt, select this option to purchase a T-shirt.)
From $10 Open Closing Soon
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Sage City Triathlon

Sat, Aug 8 · Monticello, IL Monticello
Triathlon Sprint Triathlon (300m swim, 13.5 mile bike, 3.1 mile run)Mini Triathlon (100m swim, 5 mile bike, 1 mile run)Sprint Triathlon (300m swim, 13.5 mile bike, 3.1 mile run) Relay Team
From $55 Open Closing Soon
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White Squirrel Triathlon

Sat, Aug 8 · Olney, IL Olney
Triathlon White Squirrel Triathlon Age GroupWhite Squirrel Triathlon Team CategoryWhite Squirrel Triathlon zeus/Xena
From $65 Open
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