There are 654 running races in Illinois in 2026 across 302 cities. The next upcoming race is the Heart of a Queen 5K Fun Run/Walk in Springfield on April 18. Popular distances include 5K races, trail runs, 10K races.

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C-U Triathlon

Sun, Jul 19 · Champaign, IL Champaign
Triathlon Triathlon - ResidentTriathlon - Non Resident

Run Mahomet

Fri, Jul 31 · Mahomet, IL Mahomet
Road 5K - Virtual5KHalf Marathon - Virtual +4

Dawson Lake Dash

Sun, Aug 2 · Le Roy, IL Le Roy
Road Kids Run, One Mile Walk and Puppy Prance3.5 Mile Run/Walk

White Squirrel Kids Triathlon

Fri, Aug 7 · Olney, IL Olney
Triathlon Sprint Division - Non Richland County Youth (Ages 9 to 12)Iron Division - Non Richland County Youth (Ages 11 to 15)Family Division - Non Richland County Youth (Ages 3 to 8)

White Squirrel Triathlon

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

Sage City Triathlon

Sat, Aug 8 · Monticello, IL Monticello
Triathlon Sprint Triathlon (300m swim, 13.5 mile bike, 3.1 mile run) Relay TeamMini Triathlon (100m swim, 5 mile bike, 1 mile run)Sprint Triathlon (300m swim, 13.5 mile bike, 3.1 mile run)

Hull of a Race

Sat, Aug 15 · Hull, IL Hull
Road Kids 1/4 MileTimed 5K Competitive RunTimed Fun Walk/Wheel Chair and Baby Stroller Roll {RUNNING PROHIBITED} +1

North Shore Youth Triathlon

Sun, Aug 16 · Evanston, IL Evanston
Triathlon Youth Triathlon 11-14 Year Old RelayYouth Triathlon 7-10 Year Old RelayYouth Triathlon 11-14 Year Old +2

Parkie’s 5K

Sat, Aug 22 · Bolingbrook, IL Bolingbrook
Road Parkie's 5KParkie's 1-Mile Fun & Family WalkTroop 75 Boy Scout Pancake Breakfast - First Presbyterian Church Bolingbrook