Half Marathon Events in Illinois 2026-2027

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2026 Life Time Chicago Half Marathon & 5K

Sep

27

2026 Life Time Chicago Half Marathon & 5K

Sun, Sep 27, 2026

Chicago, US • Run - Run 13.1mi

Comlara 12 Hour Sunrise-Sunset, 6 Hour, 3 Hour and Hour of Power Trail Run

Aug

22

Comlara 12 Hour Sunrise-Sunset, 6 Hour, 3 Hour and Hour of Power Trail Run

Sat, Aug 22, 2026

McLean County, US • Run - Run 51mi

Aug

29

Corps of Discovery Trail Races

Sat, Aug 29, 2026

Saint Charles, US • Run - Run 13.1mi

Medal Madness 5K, 10K, & 13.1M at Madisonville, KY (35)

Aug

29

Medal Madness 5K, 10K, & 13.1M at Madisonville, KY (35)

Sat, Aug 29, 2026

Madisonville, US • Run 1mi - Run 13.1mi

Aug

29

The Labor Day Slay

Sat, Aug 29, 2026

St. Louis, US • Run 5km - Run 13.1mi

Valley Rehabilitation & Performance Presents: Wabash Valley Half Marathon/5K/Kids Fun Run

Sep

12

Valley Rehabilitation & Performance Presents: Wabash Valley Half Marathon/5K/Kids Fun Run

Sat, Sep 12, 2026

Terre Haute, US • Run 1mi - Run 13.1mi

Sep

13

Hub City Races: Half, 10K & 5K

Sun, Sep 13, 2026

Crown Point, US • Run 3.1mi - Run 20mi

Sep

19

St. Jude Walk

Sat, Sep 19, 2026

Bloomington, US • Run 1mi - Run 13.1mi

Sep

26

Stone Bridge Half Marathon and 5k

Sat, Sep 26, 2026

Roscoe, US • Run 3.1mi - Run 13.1mi

Sep

27

City of Roses Half Marathon & 5K

Sun, Sep 27, 2026

Cape Girardeau, US • Run 3.1mi - Run 13.1mi

Oct

17

Run Stephenson County

Sat, Oct 17, 2026

US • Bike - Run 13.1mi

Oct

24

The Innsbrook Half Marathon & 10k

Sat, Oct 24, 2026

Innsbrook, US • Run - Run 13.1mi

Oct

25

Duneland Half Marathon and 5K

Sun, Oct 25, 2026

Chesterton, US • Run 3.1mi - Run 13.1mi

Oct

25

Haunted Halloween Half Marathon & 5km

Sun, Oct 25, 2026

Chicago, US • Run 5km - Run 13.1mi

Oct

25

Tri-State Warrior Run

Sun, Oct 25, 2026

Quincy, US • Run 0.1km - Run 13.1mi

Medal Madness 5K, 10K, & 13.1M at Madisonville, KY (44)

Oct

31

Medal Madness 5K, 10K, & 13.1M at Madisonville, KY (44)

Sat, Oct 31, 2026

Madisonville, US • Run 1mi - Run 13.1mi

Oct

31

Galena River Fall Half Marathon & 8k

Sat, Oct 31, 2026

Galena, US • Run 4.97mi - Run 13.1mi

Nov

8

Saint Louis Half Marathon and 5K

Sun, Nov 8, 2026

St. Louis, US • Run 5km - Run 13.1mi

Nov

14

The Forge Trail Run Festival

Sat, Nov 14, 2026

Lemont, US • Run 4.7mi - Run 37.2mi

Nov

14

RYR Endurance Race Weekend

Sat, Nov 14, 2026

Owensboro, US • Run 3.1mi - Run 50km

Nov

21

2025 Turkey Trot

Sat, Nov 21, 2026

Decatur, US • Run - Run 13.1mi

Jan

30

18th Annual F^3 Lake Half Marathon & 5k

Sat, Jan 30, 2027

Chicago, US • Run 5km - Run 13.1mi

Feb

13

Fly with the Eagles Half Marathon

Sat, Feb 13, 2027

Murphysboro, US • Run 13.1mi - Run 13.1mi

Mar

13

Muddy Shamrock @ The Forge

Sat, Mar 13, 2027

Lemont, US • Run 6.5mi - Run 13.1mi

Mar

27

Rend Lake Marathon

Sat, Mar 27, 2027

Benton, US • Run 6.55mi - Run 26.2mi

Aug

29

Run for Breast Cancer 5K/10K/13.1 CHICAGO/EVANSTON

Sat, Aug 29, 2026

Chicago, US • Run 1mi - Run 13.1mi

Aug

29

Medal Madness 5K, 10K, & 13.1M at Bettendorf, IA (35)

Sat, Aug 29, 2026

Bettendorf, US • Run 5km - Run 13.1mi

Sep

5

Naperville Trails Half Marathon & 10K

Sat, Sep 5, 2026

Wheaton, US • Run 10km - Run 13.1mi

Sep

6

2026 Crystal Lake Half Marathon & 12K

Sun, Sep 6, 2026

Crystal Lake, US • Run 7mi - Run 13mi

Sep

12

The Hidden Gem Half Marathon 2026

Sat, Sep 12, 2026

Flossmoor, US • Run 21km

Sep

12

Run for Mental Health 5K/10K/13.1 CHICAGO/EVANSTON

Sat, Sep 12, 2026

Chicago, US • Run 1mi - Run 13.1mi

Sep

19

Medal Madness 5K, 10K, & 13.1M at Bettendorf, IA (38)

Sat, Sep 19, 2026

Bettendorf, US • Run 5km - Run 13.1mi

Sep

26

Belleville Main Street Marathon & Half Marathon

Sat, Sep 26, 2026

Belleville, US • Run 13.1mi - Run 26.2mi

Sep

26

Golden Harvest Half Marathon & 5k/10k - St. Louis

Sat, Sep 26, 2026

St. Louis, US • Run - Run 13.1mi

Sep

26

Moraine Hills Run for the Hills

Sat, Sep 26, 2026

McHenry, US • Run 10km - Run 21km

Sep

26

Run for Donuts 5K/10K/13.1 CHICAGO/EVANSTON

Sat, Sep 26, 2026

Chicago, US • Run 1mi - Run 13.1mi

Sep

27

TBK Bank Quad Cities Marathon

Sun, Sep 27, 2026

Moline, US • Run - Run 42km

Sep

27

Golden Harvest Half Marathon & 5k/10k - Greater Chicago

Sun, Sep 27, 2026

Chicago, US • Run - Run 13.1mi

Oct

3

Long Grove's Prairie State Half Marathon, 10K & Oktoberfest 5K

Sat, Oct 3, 2026

Long Grove, US • Run 5km - Run 13.1mi

Oct

10

Coffee Lovers Run 5K/10K/13.1 CHICAGO/EVANSTON

Sat, Oct 10, 2026

Chicago, US • Run 1mi - Run 13.1mi

Oct

10

Sauk Valley Apple Cider Run

Sat, Oct 10, 2026

Rock Falls, US • Run 3.1mi - Run 13.1mi

Oct

17

Chicago Fall Classic Half Marathon, 10K & Hot Cider Hustle 5K

Sat, Oct 17, 2026

Chicago, US • Run 5km - Run 13.1mi

Oct

17

Haunted 5K, 10K, 13.1M & 26.2M at Bettendorf, IA (42)

Sat, Oct 17, 2026

Bettendorf, US • Run 5km - Run 26.2mi

Oct

24

The Great GO! St. Louis Halloween Race

Sat, Oct 24, 2026

St. Louis, US • Run 1mi - Run 13.1mi

Oct

24

Spooky Sprint- St. Louis

Sat, Oct 24, 2026

St. Louis, US • Run - Run 13.1mi

Oct

24

Screaming Pumpkin

Sat, Oct 24, 2026

Peoria, US • Run - Run 42km

Oct

25

Spooky Sprint - Greater Chicago

Sun, Oct 25, 2026

Chicago, US • Run - Run 13.1mi

Oct

31

Medal Madness 5K, 10K, 13.1M & 26.2M at Bettendorf, IA (44)

Sat, Oct 31, 2026

Bettendorf, US • Run 5km - Run 26.2mi

Showing 1 - 48 of 58 events