5K Races in Illinois

Sep 12, 2026

Fit Forward 5K Run/Walk

Open

Des Plaines, IL | 5K

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Sep 12, 2026

Hope Fest 5K Walk/Run & Kids Fun Run

Open

Marion, IL 62959 | 5K

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Sep 12, 2026

Bully Blitz 5k Run 1k Walk

Open

Wilmington, IL 60481 | 3.1 Miles

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Sep 13, 2026

Carl Sandburg Athletic Booster 5K Run/Walk

Open

Orland Park, IL 60462 | 3.1 Miles

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Sep 13, 2026

4th Annual Run for the Parks! 5K Run, Walk or Roll

Open

Chicago, IL 60616 | 5K

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Sep 13, 2026

Millstadt Parks Biathlon & 5K

Open

Millstadt, IL | 5K

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Sep 13, 2026

Run for Tomorrow 5K

Open

Elburn, IL | 5K

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Sep 13, 2026

Santa Maria del Popolo 5K Run/Walk

Open

Mundelein, IL | 5K

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Sep 13, 2026

The Boiler Dash

Open

Bourbonnais, IL | 5K, 10K

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Sep 16, 2026

Miles for Manufacturing 5k and 1 Mile Walk

Open

Chicago, IL 60601 | 5K

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Sep 17, 2026

FNB Fall Fun Fest Run/Walk Fairfield 5K

Open

Fairfield, IL 62837 | 3.1 Miles

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Sep 18, 2026

Glow in the Garden 5k

Open

Rockford, IL 61107 | 5K

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Sep 19, 2026

Run Like A Diva

Chicago, IL 60605 | 5K

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Sep 19, 2026

St. Jude Walk

Bloomington, IL 61701 | 3.1 Miles

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Sep 19, 2026

Heritage Fest 10k

Open

West Dundee, IL 60118 | 5K

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Sep 19, 2026

Italian Fest 5K

Open

Collinsville, IL 62234 | 5K

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Sep 19, 2026

Run for the STARS 2026

Open

Wheaton, IL 60187 | 5K

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Sep 19, 2026

Runway To a Cure

Open

Ottawa, IL 61350 | 5K

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Run

Sep 19, 2026

Sunbeams Uganda 5k

Open

Crystal Lake, IL 60014 | 3.1 Miles

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Sep 19, 2026

Titus 2:12 Restoration Run/Walk

Open

Springfield, IL 62703 | 5K

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Sep 19, 2026

Dwight Harvest Days 5K & 3K Walk/Fun Run

Open

Dwight, IL 60420 | 3.1 Miles

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Sep 19, 2026

Village of South Holland Fun Run 5K

Open

South Holland, IL | 5K

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Sep 19, 2026

Blue Bridges 5K

Open

Blue Island, IL 60406 | 5K

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Sep 19, 2026

Lagtoberfest 5k

Galesburg, IL 61401 | 3.1 Miles

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Sep 19, 2026

Still Standing

Open

Elgin, IL 60120 | 5K

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Sep 19, 2026

West Chicago Fit4Fall 5K

Open

West Chicago, IL | 5K

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Sep 19, 2026

Raising Sickle Cell Awareness 1 Mile At A Time! Annual 1K/5K Walk, Jog or Run for a Cure!

Open

Chicago, IL 60652 | 1K

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Sep 20, 2026

Better Than Yesterday 5K

Open

Aurora, IL 60506 | 3.1 Miles

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Sep 20, 2026

2026 D54 Education Foundation Run to Read

Open

Schaumburg, IL 60193 | 5K

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Sep 20, 2026

Headless Horseman Hussle

Open

Sleepy Hollow, IL 60118 | 5K

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Sep 20, 2026

Race to Zero

Open

Libertyville, IL 60048 | 3.1 Miles

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Sep 20, 2026

Willow House Walk and 5K Run For Hope

Open

Libertyville, IL | 5K

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Sep 20, 2026

Spartan Sprint 5K & Family Fun Run

Open

Elgin, IL 60123 | 5K

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Sep 20, 2026

Der Bier Lauf Peoria Oktoberfest 5K

Open

Peoria, IL | 5K

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Sep 24, 2026

Beignet 5K

Open

Geneva, IL | 5K

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Sep 26, 2026

2026 Oktoberfest 5K Rennen & Weg

Open

O Fallon, IL 62269 | 5K

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Sep 26, 2026

Stone Bridge Half Marathon and 5k

Open

Roscoe, IL 61073 | 13.1 Miles

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Sep 26, 2026

13th Annual Swifty Swine 5K

Open

Clinton, IL 61727 | 5K

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Sep 26, 2026

1st Annual APRCC Coqui 5K Run/Walk

Open

Aurora, IL 60505 | 3.1 Miles

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Sep 26, 2026

District 112 FUNd Run and Family Walk

Open

Highland Park, IL 60035 | 3.1 Miles

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Sep 26, 2026

Northbrook District 27 PTA 5K, 1 Mile and Kid's Dash

Open

Northbrook, IL 60062 | 5K

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Sep 26, 2026

St. Jude Walk-Chicago

Brookfield, IL 60513 | 5K

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Sep 26, 2026

Race to Cure Sarcoma Chicago

Open

Chicago, IL 60614 | 5K

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Run

Sep 26, 2026

The F.I.R.M. Family 5K Fun Run

Open

Springfield, IL 62704 | 3.1 Miles

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Run

Sep 26, 2026

Abuelitos 5K

Open

Chicago, IL 60645 | 3 Miles

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Sep 26, 2026

Empower Through Health 5K

Open

Urbana, IL 61801 | 5K

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Sep 26, 2026

SIUE Cougars Unleashed Homecoming Run & Pancake Breakfast

Open

Edwardsville, IL 62026 | 5K

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Sep 26, 2026

The Single & Mingle 5K at the VFW

Open

Warrenville, IL 60555 | 5K

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Sep 26, 2026

LCSPTF 14th Annual 5K

Open

Grayslake, IL 60030 | 3.1 Miles

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Sep 26, 2026

Morris Hospital & Healthcare Centers Corn Fest 5K

Open

Morris, IL | 5K

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Sep 27, 2026

Fall Fest 5K and Kids Fun Run

Open

Stillman Valley, IL 61084 | 5K

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Sep 27, 2026

Lester Fun Run 2026

Downers Grove, IL 60515 | 5K

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Sep 27, 2026

Run the River for Respect 5K

Open

Ottawa, IL 61350 | 5K

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Sep 27, 2026

DeKalb Corn Classic

Open

DeKalb, IL 60115 | 5K

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Sep 27, 2026

Plainfield Harvest Run 5k/10k & Kids Miler

Open

Plainfield, IL 60544 | 1 Miles

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Sep 27, 2026

F3 Naperville 5K Run & Walk

Open

Warrenville, IL 60555 | 5K

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Sep 27, 2026

Northwest CASA Pumpkin Dash 5k / 10k

Open

Elk Grove Village, IL 60007 | 5K

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Run

Sep 27, 2026

Run for Honor

Open

Springfield, IL 62702 | 3.1 Miles

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Sep 27, 2026

The "Oui" Run 5K

Open

Chicago, IL | 5K

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Sep 27, 2026

Catskin Days 5k

Open

Carrier Mills, IL 62917 | 3.1 Miles

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Run

Oct 3, 2026

Honor Run - John Wilt Foundation

Open

O Fallon, IL 62269 | 5K

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Oct 3, 2026

OCI Therapy 2026 5K

Open

Rochester, IL 62563 | 5K

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Oct 3, 2026

Angels Against Abuse 5K Walk/Run

Open

Romeoville, IL 60446 | 5K

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Oct 3, 2026

A Pace for Petey

Open

Tuscola, IL 61953 | 3.1 Miles

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Oct 3, 2026

Elverado 5K Run/Walk

Open

Elkville, IL 62932 | 3.1 Miles

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Oct 3, 2026

Montgomery River Run 2026

Open

Montgomery, IL | 5K, 10K

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Oct 3, 2026

Panting Four Paws

Open

Crystal Lake, IL | 5K, 10K

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Oct 3, 2026

3rd Annual Downers Grove, IL Ostomy 5k

Open

Downers Grove, IL 60515 | 5K

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Oct 3, 2026

Boo Island - 5K Charity Run/Walk

Open

Blue Island, IL 60406 | 5K

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Oct 3, 2026

Chasing Our Dreams

Open

Palos Heights, IL | 5K

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Oct 3, 2026

Kickin’ Up The Dust 5K

Open

Plano, IL 60545 | 5K

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Oct 3, 2026

Mark Bancroft Memorial Run

Open

Aurora, IL | 5K

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Oct 3, 2026

Haunted Wine Run 5k at Busse Woods

Open

Elk Grove Village, IL 60007 | 5K

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Oct 3, 2026

Scarecrow Scramble

Lisle, IL 60532 | 3.1 Miles

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Oct 4, 2026

Cheesy Pretzel 5K and 1 Mile Walk

Open

Bolingbrook, IL 60440 | 5K

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Oct 4, 2026

Chicago - HFTC 5k

Chicago, IL 60640 | 3.1 Miles

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Oct 4, 2026

Monster Mash

Open

Batavia, IL | 5K, 10K

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Oct 4, 2026

Fire Zone 5k

Open

Lockport, IL 60441 | 5K

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Oct 4, 2026

QC Java Jog 2K & 5K

Open

Coal Valley, IL | 5K

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Oct 4, 2026

Fox Chase Run

Open

Fox River Grove, IL | 5K

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Oct 10, 2026

13th Annual Harvest Hustle 5K

Open

Niles, IL 60714 | 3.1 Miles

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Oct 10, 2026

Candy Corn 5K

Open

Carmi, IL 62821 | 3.1 Miles

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Oct 10, 2026

We Love Teachers 5K - Chicago

Open

Elk Grove Village, IL 60007 | 5K

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Oct 10, 2026

Be a Hero 5K

Open

Urbana, IL 61802 | 5K

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Oct 10, 2026

Chili Chase 5K Run and Kids Pepper Dash

Open

Belleville, IL 62220 | 5K

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Oct 10, 2026

El Trote De Las Calacas

Open

Elgin, IL 60120 | 3.1 Miles

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Oct 10, 2026

OPERATION JAKE 5K RUN AND WALK

Herrin, IL 62948 | 5K

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Oct 10, 2026

Run the Bluff

Open

Peoria, IL | 5K

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Oct 17, 2026

FIREHOUSE 5K

Open

Oconee, IL 62553 | 3.1 Miles

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Oct 17, 2026

JMH 5K/10K

Open

Jacksonville, IL 62650 | 5K

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Oct 17, 2026

Cantigny 5K Run/Walk 2026 - Benefiting The Midwest Shelter for Homeless Veterans

Open

Wheaton, IL 60189 | 5K

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Oct 17, 2026

Popeye's Fall Festival 5K

Open

Chester, IL 62233 | 5K

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Oct 17, 2026

Run Stephenson County

Orangeville, IL 61060 | 3.1 Miles

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Oct 17, 2026

JAIMIE COX MEMORIAL RUN

Open

Roscoe, IL 61073 | 5K

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Oct 17, 2026

Rosehill Cemetery 'Crypt' 5K Run/Walk

Open

Chicago, IL 60660 | 5K

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Oct 18, 2026

Bolingbrook Howl-O-Ween 5K

Open

Bolingbrook, IL 60440 | 5K

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Oct 18, 2026

Richardson Farm Fall 5K & 10K with Family 1 Mile Adventure Run

Open

Spring Grove, IL 60081 | 5K

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Oct 18, 2026

Oktoberfest Rotary Run

Open

Bloomington, IL 61704 | 5K

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Oct 22, 2026

Spooktacular Glow Run

Open

Romeoville, IL | 5K

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Oct 24, 2026

Lake Bluff PTO Pumpkin Chase

Open

Lake Bluff, IL 60044 | 5K

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