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Illinois Running Calendar 2026-2027

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Explore the best running races in Illinois for 2026-2027! Our updated list features 574 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
October 2026
Oct
24
Sa

Fox Mill Community 5K

Trail Run 3 mi
Oct
24
Sa

Faith & Fitness Charity Race Series

5 km
Oct
24
Sa

Howl Through The Hills

5 km
Oct
25
Su

Sycamore Pumpkin 10K Run & 1 Mile Fun Run

10 km
Oct
25
Su

Allerton Park Trail Run

Trail Run 6 mi
Monthly updates for Illinois

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Oct
25
Su

Haunted Halloween Half Marathon

5 km 13 mi
Oct
25
Su

Spiteful Brewing Run

5 km
Oct
25
Su

Hot Cider Hustle - Wheaton

5 km 8 mi
Oct
25
Su

Polish Independence Run

5 km 10 km
Oct
25
Su

Governors State University Jaguar 5K

5 km
Oct
25
Su

Haunted Oak 5K

5 km
Oct
25
Su

Spooky Sprint - Greater Chicago

5 km 10 km 13 mi
Oct
25
Su

Howl-o-ween 5k - Dan Ryan Woods

5 km
Oct
25
Su

Tri-State Warrior Run

5 km 10 km 13 mi
Oct
25
Su

Endeavor Health Fraidycat 8k

3 mi 8 km
Oct
25
Su

Riverside Foundation Halloween Hustle 5K

5 km
Oct
25
Su

5K Foot Pursuit - Fairview Heights

5 km
Oct
25
Su

Scout Scramble 5K Trail Run

Trail Run 5 km
Oct
25
Su

Shannon McNamara Memorial Run/Walk

5 km
Oct
30
Fr

The Copper Penny Spirits Halloween Eve 5K

5 km
The Copper Penny Spirits Halloween Eve 5K Enjoy a festive Friday night run through historic Vandalia with a themed 5k event featuring glow in the dark medals and a post race gathering at The Copper Penny.
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