Half Marathons in Illinois — 2026

There are 56 half marathons in Illinois scheduled for 2026. The next is the Run Juneteenth Day 5K/10K/13.1 CHICAGO/EVANSTON in Chicago on June 20. Illinois half marathons run primarily June through July.

Run Juneteenth Day 5K/10K/13.1 CHICAGO/EVANSTON

Sat, Jun 20 · Chicago, IL Chicago

Family 1 Mile Fun Run5K RegistrationVirtual Run Registration +3

From $30 Closed

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

Sat, Jun 20 · 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 Closed

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

Sat, Jul 4 · Chicago, IL Chicago

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

From $30 Closed

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Lytle Park Tri

Sat, Jul 4 · Mattoon, IL Mattoon

5kSprint Triathlon - TeamSprint Triathlon - Individual

From $25 Closed

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July 4th Run 5K/10K/13.1 CHICAGO/EVANSTON

Sat, Jul 4 · Chicago, IL Chicago

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

From $30 Closed

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Treat Trot Greater Chicago

Sun, Jul 5 · Aurora, IL Aurora

5K10K15K +4

From $17 Open 5 spots left

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MTC Zilla Tri

Sun, Jul 12 · Columbia, IL Columbia

Youth Short Sprint TriathlonSprint TriathlonMTC Zilla Triathlon Clinic & Course Preview

From $10 Open

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Fly with the Eagles Half Marathon-SUMMER EDITION!

Fri, Jul 17 · Southern, IL Southern

Virtual Half Marathon

From $25 Closed 100 spots left

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Christmas in July Half Marathon and 5K (Chicago area)

Sat, Jul 18 · Elk Grove Village, IL Elk Grove Village

Live 5KLive Half MarathonPacer Half Marathon

From $0 Open Closing Soon 7 spots left

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

Sat, Jul 25 · Chicago, IL Chicago

Family Fun Run 1 Mile5K Registration5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Closed

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

Sat, Jul 25 · Chicago, IL Chicago

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

From $30 Closed

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Run Mahomet

Fri, Jul 31 · Mahomet, IL Mahomet

5K - Virtual5KHalf Marathon +4

From $15 Open Closing Soon

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

Sat, Aug 15 · Chicago, IL Chicago

Family 1 Mile Fun RunVirtual Run Registration5K Registration +3

From $30 Closed

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RAMP River Run – 3K, 5K, & 1/2 Marathon Run

Sat, Aug 15 · Rockford, IL Rockford

3K Walk/Wheel (12 Year old & under) $103K Walk/Wheel-A-Thon5K Run +3

From $15 Open

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

Sat, Aug 15 · Chicago, IL Chicago

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

From $30 Closed

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

Sat, Aug 29 · 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

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

Sat, Aug 29 · Chicago, IL Chicago

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

From $30 Open

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Feather Hills Double Barrel 5K/10K

Sat, Aug 29 · Makanda, IL Makanda

Feather Hills Double Barrel 5KFeather Hills Double Barrel 10KFeather Hills Double Barrel Challenge 10K+5K

From $40 Open

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Naperville Trails Half Marathon & 10K

Sat, Sep 5 · Wheaton, IL Wheaton

Virtual 10K10K - Extended Registration10K +3

From $44.99 Open

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Time and a Half Relay & 5K

Sun, Sep 6 · Chicago, IL Chicago

5K12 Mile Relay - 4 Person Team

From $45 Open 50 spots left

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

Sat, Sep 12 · Chicago, IL Chicago

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

From $30 Open

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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

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

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

20 Miler

From $45 Open

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Run Like A Diva

Sat, Sep 19 · Chicago, IL Chicago

5k1/2 Marathon

From $85 Closed

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St. Jude Walk

Sat, Sep 19 · Bloomington, IL Bloomington

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

Closed

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

Sat, Sep 26 · Chicago, IL Chicago

Family 1 Mile Fun RunVirtual Run Registration5K Registration +3

From $30 Open

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Stone Bridge Half Marathon and 5k

Sat, Sep 26 · Roscoe, IL Roscoe

5K1/2 Marathon

From $30 Open Closing Soon

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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

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Shoreline Classic

Fri, Oct 2 · Decatur, IL Decatur

5k - Virtual5K15k - Virtual +2

From $10 Open

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

Sat, Oct 3 · Long Grove, IL Long Grove

Virtual Run - 5K5K - Extended Online Registration5K - Untimed +8

From $39.99 Open

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

Sat, Oct 10 · Chicago, IL Chicago

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

From $30 Open

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

Sat, Oct 10 · 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

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Sauk Valley Apple Cider Run

Sat, Oct 10 · Rock Falls, IL Rock Falls

5KVirtual Half MarathonHalf Marathon

From $30 Open

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Chicago Fall Classic Half Marathon, 10K & 5K

Sat, Oct 17 · Chicago, IL Chicago

5K - Untimed5K Run/Walk5K - Extended Registration +8

From $12.99 Open

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Run Stephenson County

Sat, Oct 17 · Orangeville, IL Orangeville

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

Closed

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Haunted Halloween Half Marathon & 5km

Sun, Oct 25 · Chicago, IL Chicago

H^3 5kH^3 Half Marathon

From $35 Open

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

Sat, Oct 31 · Chicago, IL Chicago

Family Fun Run 1 Mile5K Registration5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Open

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

Sat, Oct 31 · Chicago, IL Chicago

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

From $30 Open

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Galena River Fall Half Marathon & 8k

Sat, Oct 31 · Galena, IL Galena

8KHalf MarathonVirtual

From $75 Open

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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

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

Sat, Nov 14 · Chicago, IL Chicago

Family Fun Run 1 Mile5K Registration5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Open

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

Sat, Nov 14 · Chicago, IL Chicago

Family 1 Mile Fun Run5K RegistrationVirtual Run Registration +3

From $30 Open

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Art and Kevin Reveal Memorial Turkey Run

Sat, Nov 21 · Herrin, IL Herrin

Youth Fun Run5K Run5k Walk (Non Competetive) +2

From $15 Closed

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2025 Turkey Trot

Sat, Nov 21 · Decatur, IL Decatur

1/2 Mile Tot Trot (Ages 12 and Under)5K Run/WalkVirtual 10K +4

From $25 Closed

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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)5K Registration +3

From $30 Open

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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

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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 RegistrationVirtual Run Registration (5K/10K/13.1) +3

From $30 Open

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

Sat, Dec 26 · Chicago, IL Chicago

Family Fun Run 1 Mile5K Registration5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Open

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

Sat, Dec 26 · Chicago, IL Chicago

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

From $30 Open

Register →