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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 786 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 Fitness Races
October 2026
Oct
25
Su

Howl-o-ween 5k - Dan Ryan Woods

5 km
Oct
25
Su

Tri-State Warrior Run

3 mi 6 mi 13 mi
Oct
25
Su

Endeavor Health Fraidycat 8k

5 km 8 km
Oct
30
Fr

Halloween Eve 5K - Vandalia

5 km
Halloween Eve 5K - Vandalia Friday evening 5K through historic Vandalia on October 30, 2026, starting and finishing at The Copper Penny. Registration includes a Fayette County finisher medal, runner cup, series stamp, and entry to the post run gathering.
Oct
30
Fr

Race the Dead

5 km
Oct
31
Sa

Galena River Fall Half Marathon

8 km 13 mi
Oct
31
Sa

Race Through the Decades 5K - Oblong

5 km
Oct
31
Sa

Chicago Lakefront Ultras

Half Marathon 21 mi 50 km 50 mi
Oct
31
Sa

Rock Falls First Responder 5K

3 mi
November 2026
Nov
1
Su

Hot Chocolate Run – Chicago

2 mi 5 km 10 km 15 km
Nov
1
Su

Run The Path 10k

10 km
Nov
1
Su

Rattlesnake Master Run for the Prairie

Trail Run 5 km 10 km
Nov
1
Su

CUSR Cupcake 5K

3 mi
Nov
1
Su

Dam Site Run

Half Marathon
Nov
7
Sa

Veterans Day 5K - Danville

3 mi
Nov
7
Sa

St. Francis Xavier Falcon 5K

5 km
Nov
7
Sa

Theresa Tracy Trot

2 mi 4 mi
Nov
7
Sa

Springfield Marathon

10 km 13 mi 26 mi
Nov
7
Sa

Eckert's Belleville Farm Wine Run Turkey Trot 5k

5 km
Nov
7
Sa

King Street Backyard Ultra

Backyard Ultra 4 mi
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