Illinois close

Illinois Half Marathon Calendar 2026-2027

Header image
Monthly updates for Illinois

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

Explore the best half marathons in Illinois for 2026-2027! Our updated list features 60 exciting races across the region. Find your next race in Illinois below and join the running community at these great events!

September 2026
Sep
27
Su

Chicago Half Marathon

5 km 13 mi
Sep
27
Su

Quad Cities Marathon

5 km 10 km Half Marathon Marathon
Sep
27
Su

Bodies Race Company - Greater Chicago

3 mi 6 mi 13 mi
October 2026
Oct
3
Sa

Prairie State Half Marathon

5 km 10 km 13 mi
Oct
10
Sa

Des Plaines River Trail Races

Trail Run Half Marathon Marathon 50 km 50 mi
Oct
10
Sa

Sauk Valley Apple Cider Run

3 mi 13 mi
Oct
10-11
Sa - Su

Farmdale Trail Run

Trail Run 10 km 13 mi ... 50 mi 100 mi
Oct
17
Sa

Run Stephenson County

3 mi 6 mi 13 mi
Oct
18
Su

Naperville Half Marathon

3 mi 6 mi 13 mi
Oct
24
Sa

Screaming Pumpkin

2 mi 7 mi 13 mi 26 mi
Oct
25
Su

Haunted Halloween Half Marathon

5 km 13 mi
Oct
25
Su

Spooky Sprint - Greater Chicago

5 km 10 km 13 mi
Oct
31
Sa

Galena River Fall Half Marathon

8 km 13 mi
November 2026
Nov
8
Su

Ooh Lala Chocolate Run Walk

5 km 10 km 13 mi
Nov
21
Sa

Turkey Trot - Decatur

5 km 10 km Half Marathon
Nov
28
Sa

Bodies Race Company - Hammel Woods

5 km 10 km 13 mi
Nov
28
Sa

Schaumburg Turkey Trot Half Marathon

5 km 13 mi
January 2027
Jan
30
Sa

F3 Lake Half Marathon

5 km 13 mi
February 2027
Feb
13-21
Sa - Su

Fly with the Eagles Half Marathon

13 mi
March 2027
Mar
13
Sa

Muddy Shamrock @ The Forge

Trail Run 7 mi 13 mi
Add Event
Help us complete the calendar!
  • Distance is at least 5 km
  • Event has a website or Facebook page
Website
Optional: Please provide your e-mail address if we may contact you.
Report a change
We will only update the data if the information is also on the website.