5K Races in Illinois — 2026

There are 271 5K races in Illinois scheduled for 2026. The next is the Always in Our Hearts 5K in Chicago on September 5. Illinois 5K races run primarily September through July.

LemonTriClub Youth Splash and Dash

Sat, Oct 3 · Lemont, IL Lemont

LemonTriClub Youth Splash and Dash Junior (6-10yrs)LemonTriClub Youth Splash and Dash Senior (11-17yrs)

From $30 Open

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Storming Into Action - Play Knows No Limits

Sat, Oct 3 · Walnut, IL Walnut

Storming Into Action - Play Knows No Limits

From $25 Open

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Hops for Hope 5K & BrewFest Presented by 93 Octane Brewery 2026

Sat, Oct 3 · St. Charles, IL St. Charles

5K & BrewFest Combo PackBrewFest Only (No 5K)Designated Driver (BrewFest Only - No Beer)

From $15 Open

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A Pace for Petey

Sat, Oct 3 · Tuscola, IL Tuscola

5K Run/WalkJake's Jog Kids Fun Run

From $15 Open

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Boo Island - 5K Charity Run/Walk

Sat, Oct 3 · Blue Island, IL Blue Island

Boo Island - 5K Run/Walk

From $35 Closed

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Donuts and Dogs 5K Fun Run/Walk

Sat, Oct 3 · Springfield, IL Springfield

5K Fun Run/Walk5K Run (Timed)Cat Napper

From $30 Open

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5K Your Ways

Sat, Oct 3 · Robinson, IL Robinson

Age 10 and under kids fun run5K Dirt Trail run5K asphalt run

From $15 Open

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Angels Against Abuse 5K Walk/Run

Sat, Oct 3 · Romeoville, IL Romeoville

Angel Against Abuse 5K Walk/Run

From $35 Open

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Run The Woods

Sat, Oct 3 · Hudson, IL Hudson

1 Mile Trail Walk - Untimed5K5K (Youth) +2

From $30 Open Closing Soon

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Chicago Vocational Alumni Association, Inc. 5K Torch Trail

Sat, Oct 3 · Chicago, IL Chicago

5K Run/Walk/Roll

From $35 Open

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Honor Run - John Wilt Foundation

Sat, Oct 3 · O Fallon, IL O Fallon

5K Run or 1 Mile Walk

From $30 Open

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OCI Therapy 2026 5K

Sat, Oct 3 · Rochester, IL Rochester

OCI Therapy 2026 5K

From $30 Open

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Haunted Wine Run 5k at Busse Woods

Sat, Oct 3 · Elk Grove Village, IL Elk Grove Village

5k

From $30 Open Closing Soon

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3rd Annual Downers Grove, IL Ostomy 5k

Sat, Oct 3 · Downers Grove, IL Downers Grove

3rd Annual Downers Grove, IL Ostomy 5k - (OSTOMATE)3rd Annual Downers Grove, IL Ostomy 5k (OPEN)3rd Annual Downers Grove, IL Ostomy Fun Run - KIDS RUN (50-Yard Dash) for ages 6 through 10 +1

From $20 Open

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2026 Lemons of Love Pink Lemonade 5K Run/Walk

Sun, Oct 4 · Mount Prospect, IL Mount Prospect

VIRTUAL - 2026 Lemons of Love Pink Lemonade 5k Run/Walk2026 Lemons of Love Pink Lemonade 5K Run/Walk

From $40 Open Closing Soon

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Cheesy Pretzel 5K and 1 Mile Walk

Sun, Oct 4 · Bolingbrook, IL Bolingbrook

Cheesy Pretzel 1 Mile WalkCheesy Pretzel 5k

From $30 Open

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JJC Foundation 5K Run/Walk

Sun, Oct 4 · Joliet, IL Joliet

1 Mile Wiley Run - Virtual1 Mile Wiley Run - In PersonJJC Foundation 5K Run/Walk - Virtual +1

From $20 Open

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Fire Zone 5k

Sun, Oct 4 · Lockport, IL Lockport

5k

From $35 Open

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Melrose Park Family Fun Run 5k and Community Health Fair

Sun, Oct 4 · Melrose Park, IL Melrose Park

Junior Runners Ages 10-16 (Includes shirt and medal)Kids Run Ages 5-9 (No shirt included)Melrose Park Family Fun Run 5k and Community Health Fair (Ages 17+)

From $0 Open

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St. Mary's Oktoberfest 5k & 1 Mile Fun Run

Fri, Oct 9 · Alton, IL Alton

1 Mile Fun RunVirtual 5K Run/Walk5K Run/Walk

From $25 Open Closing Soon

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The Zac Plantz Foundation's Don’t Run Alone 5K Walk & Run

Sat, Oct 10 · New Lenox, IL New Lenox

5KVirtual 5K

From $35 Open Closing Soon

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OPERATION JAKE 5K RUN AND WALK

Sat, Oct 10 · Herrin, IL Herrin

5K RUN AND WALK5K RUN AND WALK

From $35 Closed

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Care4 Breast Cancer Hybrid 5K

Sat, Oct 10 · Woodstock, IL Woodstock

VIRTUAL Care4 Breast Cancer 5KCare4 Breast Cancer 5K @ WNHSKids Care4 Breast Cancer 5K @WNHS

From $15 Open Closing Soon

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Candy Corn 5K

Sat, Oct 10 · Carmi, IL Carmi

Candy Corn 5k Run

From $30 Closed

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Relay For Resilience

Sat, Oct 10 · North Chicago, IL North Chicago

Relay For Resilience

From $30 Open

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Fairgrounds Classic 5K Community Race

Sat, Oct 10 · Sandwich, IL Sandwich

5k

From $40 Open

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Operation Jake

Sat, Oct 10 · Herrin, IL Herrin

Operation Jake 5K

From $35 Closed

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McKendree University Homecoming & Family Weekend "Rise and Shine" 5K Walk/Run & Kids' Dash

Sat, Oct 10 · Lebanon, IL Lebanon

McKendree University Homecoming & Family Weekend "Rise and Shine" 5K Walk/Run & Kids' Dash

From $20 Closed

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13th Annual Harvest Hustle 5K

Sat, Oct 10 · Niles, IL Niles

5K Run/Walk5K Youth Run/Walk

From $10 Open

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We Love Teachers 5K - Chicago

Sat, Oct 10 · Elk Grove Village, IL Elk Grove Village

We Love Teachers 5KWe Love Teachers 5K - Under 18We Love Teachers 5K - Educator Entry

From $20 Open

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Sarcoma Stomp: Run for Research 5K/10K

Sat, Oct 10 · Carlyle, IL Carlyle

1-mile fun runSarcoma Stomp: 5K Run/Walk for ResearchVirtual 5K/10K run/walk +2

From $15 Open

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El Trote De Las Calacas

Sat, Oct 10 · Elgin, IL Elgin

5k

From $35 Open

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Welcome Run 5K

Sat, Oct 10 · Lansing, IL Lansing

Welcome Run Virtual 5KWelcome Run 5KWelcome Run Kids Race (10 and under)

From $5 Open Closing Soon

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Be a Hero 5K

Sat, Oct 10 · Urbana, IL Urbana

Be a Hero 5K

From $25 Open Closing Soon

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4th Annual DBC Keys 2 Stability Community 5K 2026

Sat, Oct 10 · Flossmoor, IL Flossmoor

4th Annual DBC Keys 2 Stability Community 5K 2026Virtual 5K

From $25 Closed

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Harvard Dia de Los Muertos 5K

Sat, Oct 17 · Harvard, IL Harvard

5K Run/Walk

From $25 Open

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Rosehill Cemetery 'Crypt' 5K Run/Walk

Sat, Oct 17 · Chicago, IL Chicago

5K Chip-Timed Run5K Fun Run/Walk

From $37 Open

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Popeye's Fall Festival 5K

Sat, Oct 17 · Chester, IL Chester

Fun Run5K Run5K walk

From $25 Open

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FIREHOUSE 5K

Sat, Oct 17 · Oconee, IL Oconee

1 Mile WalkFIREHOUSE 5K

From $30 Open

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JAIMIE COX MEMORIAL RUN

Sat, Oct 17 · Roscoe, IL Roscoe

Virtual Supporter5K Run or 2- Mile Walk ParticipantKids Registration (12 and under -- Youth T-Shirt Only)

From $20 Open

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Tunnel to Towers 5K Run & Walk - Quincy, IL

Sat, Oct 17 · Quincy, IL Quincy

First Responders & Military RegistrationChild Registration 12 & UnderAdult Registration +1

From $5 Open

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Greenville University Panther 5K

Sat, Oct 17 · Greenville, IL Greenville

GU Student/Faculty/Staff RateHSHS Employee Rate5K Run/Walk +1

From $10 Closed

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HOW 5K

Sun, Oct 18 · Chicago, IL Chicago

HOW 5K - Run and AfterpartyHOW 5K - RunHOW 5K - Walk and Afterparty +2

From $25 Open

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Oktoberfest Rotary Run

Sun, Oct 18 · Bloomington, IL Bloomington

1 Mile (Untimed)5KBrat Dinner + Shirt (No Race) +1

From $10 Closed

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Bolingbrook Howl-O-Ween 5K

Sun, Oct 18 · Bolingbrook, IL Bolingbrook

Bolingbrook Howl-O-Ween 5K

From $35 Open

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23rd Annual This Run's For Jack 2026

Sun, Oct 18 · Glen Ellyn, IL Glen Ellyn

TRFJ2026 5k Run/Walk IN-PERSON EVENTTRFJ VIRTUAL Run/WalkTRFJ VIRTUAL 10 Mile Bike Ride +1

From $25 Open

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Washington Park Trail Trek

Sat, Oct 24 · Springfield, IL Springfield

Virtual 5K To Support the Leland Summer Kitchen Project5K Run - Registration Closed5K Walk +1

From $0 Closed

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Halloween Hustle 5K & Kids Dash

Sat, Oct 24 · Palatine, IL Palatine

5K5K VirtualKids Dash

From $20 Closed 80 spots left

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The Fall Color 5K

Sat, Oct 24 · Lisle, IL Lisle

8:00 a.m. Shotgun Start 5KVirtual 5K

From $40 Open 77 spots left

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Forte 5K Run/Walk

Sat, Oct 24 · Channahon, IL Channahon

5K

From $27 Open

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