Half Marathons in Illinois — 2026

There are 51 half marathons in Illinois scheduled for 2026. The next is the Naperville Trails Half Marathon & 10K in Wheaton on September 5. Illinois half marathons run primarily September through July.

Naperville Trails Half Marathon & 10K

Sat, Sep 5 · Wheaton, IL Wheaton

10KVirtual 10K10K - Extended Registration +3

From $54.99 Open Closing Soon

Register →

Time and a Half Relay & 5K

Sun, Sep 6 · Chicago, IL Chicago

5K12 Mile Relay - 4 Person Team

From $45 Open Closing Soon

Register →

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

Sat, Sep 12 · Chicago, IL Chicago

Family Fun Run 1 Mile5K/10K/13.1 Eco-Registration (No Shirt)Virtual Run Registration (5K/10K/13.1) +3

From $30 Open Closing Soon

Register →

National Chocolate Day: Run for Chocolates 5K/10K/13.1 CHICAGO/EVANSTON

Sat, Sep 12 · Chicago, IL Chicago

Family 1 Mile Fun Run5K RegistrationVirtual Run Registration +3

From $30 Open Closing Soon

Register →

Run Like A Diva

Sat, Sep 19 · Chicago, IL Chicago

5k1/2 Marathon

From $85 Closed

Register →

St. Jude Walk

Sat, Sep 19 · Bloomington, IL Bloomington

1 Mile Walk - FREE5K - $2510K - $40 +1

Closed

Register →

Fleet Feet Training - The Long Run

Sat, Sep 19 · Chicago, IL Chicago

Marathon Charity Guest20 Miler ParticipantMarathon (Fleet Feet Racing Team) +6

From $0 Open

Register →

Busse Woods 20 Miler - 7:00a.m.

Sat, Sep 19 · Elk Grove Village, IL Elk Grove Village

20 Miler

From $45 Open Closing Soon

Register →

Oktoberfest Run 5K/10K/13.1 CHICAGO/EVANSTON

Sat, Sep 26 · Chicago, IL Chicago

Family 1 Mile Fun Run5K Registration5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Open

Register →

Stone Bridge Half Marathon and 5k

Sat, Sep 26 · Roscoe, IL Roscoe

5K1/2 Marathon

From $30 Open

Register →

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

Sat, Sep 26 · Chicago, IL Chicago

Family Fun Run 1 Mile5K/10K/13.1 Eco-Registration (No Shirt)Virtual Run Registration (5K/10K/13.1) +3

From $30 Open

Register →

Shoreline Classic

Fri, Oct 2 · Decatur, IL Decatur

5K5k - Virtual15k - Virtual +2

From $10 Open

Register →

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

Sat, Oct 3 · Long Grove, IL Long Grove

5K - Untimed - Extended Online RegistrationVirtual Run - 5K5K - Untimed +8

From $42.99 Open

Register →

Trail Mix

Sun, Oct 4 · Rockford, IL Rockford

Half-Mix DuathlonSport Mountain BikeTeam Relay +2

From $50 Open

Register →

Bagel Run 5K/10K/13.1 CHICAGO/EVANSTON

Sat, Oct 10 · Chicago, IL Chicago

Family 1 Mile Fun RunVirtual Run Registration5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Open

Register →

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

Sat, Oct 10 · Chicago, IL Chicago

Family Fun Run 1 Mile5K/10K/13.1 Eco-Registration (No Shirt)5K Registration +3

From $30 Open

Register →

Sauk Valley Apple Cider Run

Sat, Oct 10 · Rock Falls, IL Rock Falls

5KVirtual Half MarathonHalf Marathon

From $30 Open

Register →

Run Stephenson County

Sat, Oct 17 · Orangeville, IL Orangeville

Run Stephenson County 5KRun Stephenson County 10 KRun Stephenson County Half Marathon

Closed

Register →

Chicago Fall Classic Half Marathon, 10K & 5K

Sat, Oct 17 · Chicago, IL Chicago

Kid's Division 5K Fun Run5K Run/WalkVirtual Run - 5K +8

From $12.99 Open

Register →

Haunted Halloween Half Marathon & 5km

Sun, Oct 25 · Chicago, IL Chicago

H^3 5kH^3 Half Marathon

From $35 Open

Register →

Riverview Ramble Half Marathon

Sat, Oct 31 · Mount Carmel, IL Mount Carmel

Riverview Ramble 5KRiverview Ramble 10KRiverview Ramble Half Marathon

From $35 Open

Register →

PB&J Fuel Run 5K/10K/13.1 CHICAGO/EVANSTON

Sat, Oct 31 · Chicago, IL Chicago

Family Fun Run 1 Mile5K/10K/13.1 Eco-Registration (No Shirt)Virtual Run Registration (5K/10K/13.1) +3

From $30 Open

Register →

Halloween Trick or Trot Run 5K/10K/13.1 CHICAGO/EVANSTON

Sat, Oct 31 · Chicago, IL Chicago

Family 1 Mile Fun Run5K RegistrationVirtual Run Registration +3

From $30 Open

Register →

Galena River Fall Half Marathon & 8k

Sat, Oct 31 · Galena, IL Galena

8KHalf MarathonVirtual

From $75 Open

Register →

Warrior Rush - Army of Hades - 5K, 10K, and Half Marathon 13.1

Sun, Nov 1 · New Lenox, IL New Lenox

5K10KHalf Marathon

From $30 Open

Register →

Dam Site Run

Sun, Nov 1 · LeRoy, IL LeRoy

Dam Site Half MarathonCharity Entry (Timed Half Marathon, but No Medal/Swag)

From $39.99 Open

Register →

Veterans Day Freedom Run 5K/10K/13.1 CHICAGO/EVANSTON

Sat, Nov 14 · Chicago, IL Chicago

Family Fun Run 1 MileVirtual Run Registration (5K/10K/13.1)5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Open

Register →

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

Sat, Nov 14 · Chicago, IL Chicago

Family 1 Mile Fun Run5K Registration5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Open

Register →

Art and Kevin Reveal Memorial Turkey Run

Sat, Nov 21 · Herrin, IL Herrin

Youth Fun Run5k Walk (Non Competetive)5K Run +2

From $15 Closed

Register →

2026 Turkey Trot

Sat, Nov 21 · Decatur, IL Decatur

1/2 Mile Tot Trot (Ages 12 and Under)Virtual 10K5K Run/Walk +4

From $25 Open

Register →

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

Sat, Nov 28 · Chicago, IL Chicago

Family 1 Mile Fun Run5K/10K/13.1 Eco-Registration (No Shirt)Virtual Run Registration +3

From $30 Open

Register →

Thanksgiving Gobble Trot Run 5K/10K/13.1 CHICAGO/EVANSTON

Sat, Nov 28 · Chicago, IL Chicago

Family Fun Run 1 Mile5K/10K/13.1 Eco-Registration (No Shirt)5K Registration +3

From $30 Open

Register →

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

Sat, Dec 12 · Chicago, IL Chicago

Family 1 Mile Fun Run5K Registration5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Open

Register →

Sunrise Marathon 5K/10K/13.1 CHICAGO/EVANSTON

Sat, Dec 12 · Chicago, IL Chicago

Family Fun Run 1 Mile5K/10K/13.1 Eco-Registration (No Shirt)5K Registration +3

From $30 Open

Register →

New Year's Run 5K/10K/13.1 CHICAGO/EVANSTON

Sat, Dec 26 · Chicago, IL Chicago

Family Fun Run 1 MileVirtual Run Registration (5K/10K/13.1)5K Registration +3

From $30 Open

Register →

A Merry Christmas Run 5K/10K/13.1 CHICAGO/EVANSTON

Sat, Dec 26 · Chicago, IL Chicago

Family 1 Mile Fun Run5K/10K/13.1 Eco-Registration (No Shirt)5K Registration +3

From $30 Open

Register →

Sunrise Marathon 5K/10K/13.1 CHICAGO/EVANSTON

Sat, Jan 16 · Chicago, IL Chicago

Family 1 Mile Fun RunVirtual Run Registration5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Open

Register →

MLK Jr. Freedom Run 5K/10K/13.1 CHICAGO/EVANSTON

Sat, Jan 16 · Chicago, IL Chicago

Family Fun Run 1 Mile5K RegistrationVirtual Run Registration (5K/10K/13.1) +3

From $30 Open

Register →

Coffee Lover Run CHICAGO/EVANSTON

Sat, Jan 30 · Chicago, IL Chicago

Family Fun Run 1 MileVirtual Run Registration (5K/10K/13.1)5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Open

Register →

Run for Donut CHICAGO/EVANSTON

Sat, Jan 30 · Chicago, IL Chicago

Family 1 Mile Fun Run5K/10K/13.1 Eco-Registration (No Shirt)Virtual Run Registration +3

From $30 Open

Register →

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

Sat, Jan 30 · Chicago, IL Chicago

5kHalf Marathon

From $38 Open

Register →

Valentine's Day Run 5K/10K/13.1 CHICAGO/EVANSTON

Sat, Feb 13 · Chicago, IL Chicago

Family Fun Run 1 MileVirtual Run Registration (5K/10K/13.1)5K Registration +3

From $30 Open

Register →

Fly with the Eagles Half Marathon

Sat, Feb 13 · Murphysboro, IL Murphysboro

1/2 MarathonVirtual Half MarathonHoodie Only (Must Pickup at packet Pickup)

From $25 Closed 25 spots left

Register →

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

Sat, Feb 13 · Chicago, IL Chicago

Family Fun Run 1 MileVirtual Run Registration (5K/10K/13.1)5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Open

Register →

Sunrise Marathon 5K/10K/13.1 CHICAGO/EVANSTON

Sat, Mar 20 · Chicago, IL Chicago

Family 1 Mile Fun Run5K Registration5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Open

Register →

SuperHeroes Run CHICAGO/EVANSTON

Sat, Mar 27 · Chicago, IL Chicago

Family Fun Run 1 Mile5K/10K/13.1 Eco-Registration (No Shirt)5K Registration +3

From $30 Open

Register →

Chi Town Half Marathon & 10K

Sat, Apr 3 · Chicago, IL Chicago

Virtual Run 10K10K - Extended Online RegistrationVirtual Run 10K +9

From $49.99 Open

Register →

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

Sat, Apr 10 · Chicago, IL Chicago

Family 1 Mile Fun RunVirtual Run Registration5K Registration +3

From $30 Open

Register →

Run for Donut CHICAGO/EVANSTON

Sat, Apr 24 · Chicago, IL Chicago

Family 1 Mile Fun Run5K/10K/13.1 Eco-Registration (No Shirt)5K Registration +3

From $30 Open

Register →

Coffee Lover Run CHICAGO/EVANSTON

Sat, Apr 24 · Chicago, IL Chicago

Family 1 Mile Fun Run5K/10K/13.1 Eco-Registration (No Shirt)5K Registration +3

From $30 Open

Register →