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Illinois Running Calendar 2026-2027

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Monthly updates for Illinois

Get new running races (and updates) in your inbox every month.

Explore the best running races in Illinois for 2026-2027! Our updated list features 660 exciting races across the region. Find your next race in Illinois below and join the running community at these great events!

Half Marathons Marathons Trail Runs Triathlons Walking Events
October 2026
Oct
24
Sa

Fall Color 5K Run and Walk

Road Race Walk 5 km
Oct
24
Sa

Forte 5K

3 mi
Oct
24
Sa

Run to Pub Fall Marathon Relay

26 mi
Oct
24
Sa

The Village Zombie Run

5 km
Oct
24
Sa

Washington Park Trail Trek

Trail Run 5 km
Oct
24
Sa

Neal Center October 5K

5 km
Oct
25
Su

Sycamore Pumpkin 10K Run & 1 Mile Fun Run

Road Race Walk 10 km
Oct
25
Su

Allerton Park Trail Run

Trail Run Walk 6 mi
Oct
25
Su

Haunted Halloween Half Marathon

5 km 13 mi
Oct
25
Su

Spiteful Brewing Run

Road Race Walk 5 km
Oct
25
Su

Hot Cider Hustle - Wheaton

Road Race Walk 5 km 8 mi
Oct
25
Su

Polish Independence Run

Road Race Walk 5 km 10 km
Oct
25
Su

Governors State University Jaguar 5K

Road Race Walk 5 km
Oct
25
Su

Haunted Oak 5K

5 km
Oct
25
Su

Spooky Sprint - Greater Chicago

3 mi 6 mi 13 mi
Oct
25
Su

Howl-o-ween 5k - Dan Ryan Woods

5 km
Oct
25
Su

Tri-State Warrior Run

Road Race Walk 5 km 10 km 13 mi
Oct
25
Su

Endeavor Health Fraidycat 8k

5 km 8 km
Oct
25
Su

Riverside Foundation Halloween Hustle 5K

Road Race Walk 5 km
Oct
30
Fr

The Copper Penny Spirits Halloween Eve 5K

Road Race Walk 5 km
The Copper Penny Spirits Halloween Eve 5K An evening 5K through historic Vandalia on October 30, 2026, starting and finishing at The Copper Penny with a Fayette County finisher medal and post run gathering.
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