248 Upcoming 5K Races Near Flossmoor, IL

Diplo's Run Club Chicago

Chicago, IL

Saturday, October 3rd, 2026

Featured

Code:FTR10

View details for race Diplo's Run Club Chicago

Megan's Mission 5k Run

Coal City, IL

Saturday, September 19th, 2026

View details for race Megan's Mission 5k Run

Run Like a Diva

Chicago , IL

Saturday, September 19th, 2026

Half

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

Dwight, IL

Saturday, September 19th, 2026

Fast

View details for race Dwight Harvest Days 5K & 3K Walk/Fun Run

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Still Standing

Elgin, IL

Saturday, September 19th, 2026

1 Mile

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12th Annual Christmas Without Cancer 5k Run/Wal...

Evergreen Park, IL

Saturday, September 19th, 2026

View details for race 12th Annual Christmas Without Cancer 5k Run/Walk (In-Person OR Virtual)

2026 - 2nd Annual HBCU Run & Brunch

Chicago, IL

Saturday, September 19th, 2026

10K

View details for race 2026 - 2nd Annual HBCU Run & Brunch

RACE TO WRIGLEY 5K CHARITY RUN PRESENTED BY AbbVie

Chicago, IL

Sunday, September 20th, 2026

View details for race RACE TO WRIGLEY 5K CHARITY RUN PRESENTED BY AbbVie

Spartan Sprint 5K & Family Fun Run

Elgin, IL

Sunday, September 20th, 2026

View details for race Spartan Sprint 5K & Family Fun Run

D67 Dash 5K Run/Walk

Morton Grove, IL

Sunday, September 20th, 2026

View details for race D67 Dash 5K Run/Walk

2026 D54 Education Foundation Run to Read

Schaumburg, IL

Sunday, September 20th, 2026

1 Mile

View details for race 2026 D54 Education Foundation Run to Read

5K Fun Run and Family Walk

Glenview, IL

Sunday, September 20th, 2026

View details for race 5K Fun Run and Family Walk

5K Fun Run/Walk

Glenview, IL

Sunday, September 20th, 2026

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Race the Sunset 5k

Chesterton, IN

Sunday, September 20th, 2026

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Better Than Yesterday 5K

Aurora, IL

Sunday, September 20th, 2026

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Beignet 5K

Geneva, IL

Thursday, September 24th, 2026

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The Single & Mingle 5K at the VFW

Warrenville, IL

Saturday, September 26th, 2026

View details for race The Single & Mingle 5K at the VFW

Race to Cure Sarcoma Chicago

Chicago, IL

Saturday, September 26th, 2026

View details for race Race to Cure Sarcoma Chicago

Sandhill Shuffle 5k Run/Walk

Wheatfield, IN

Saturday, September 26th, 2026

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Bloomingdale Trail 5K

Chicago, IL

Saturday, September 26th, 2026

Trail

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Lawndale 5K

Chicago, IL

Saturday, September 26th, 2026

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Morris Hospital & Healthcare Centers Corn F...

Morris, IL

Saturday, September 26th, 2026

View details for race Morris Hospital & Healthcare Centers Corn Fest 5K

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

Northbrook, IL

Saturday, September 26th, 2026

1 Mile

View details for race Northbrook District 27 PTA 5K, 1 Mile and Kid's Dash

St. Jude Walk-Chicago

Brookfield, IL

Saturday, September 26th, 2026

View details for race St. Jude Walk-Chicago

District 112 FUNd Run and Family Walk

Highland Park, IL

Saturday, September 26th, 2026

1 Mile

Trail

View details for race District 112 FUNd Run and Family Walk

Our Fallen Hero 5K Run/Walk in Memory of PFC Aa...

Mokena, IL

Saturday, September 26th, 2026

View details for race Our Fallen Hero 5K Run/Walk in Memory of PFC Aaron Toppen

1st Annual Coqui 5K Run/Walk

Aurora, IL

Saturday, September 26th, 2026

View details for race 1st Annual Coqui 5K Run/Walk

Plainfield Harvest Run 5k/10k & Kids Miler

Plainfield, IL

Sunday, September 27th, 2026

1 Mile

10K

View details for race Plainfield Harvest Run 5k/10k & Kids Miler

Northwest CASA Pumpkin Dash 5k / 10k

Elk Grove Village, IL

Sunday, September 27th, 2026

10K

View details for race Northwest CASA Pumpkin Dash 5k / 10k

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

Greater Chicago, IL

Sunday, September 27th, 2026

1 Mile

10K

View details for race Golden Harvest Half Marathon & 5k/10k - Greater Chicago

The "Oui" Run 5K

Chicago, IL

Sunday, September 27th, 2026

View details for race The "Oui" Run 5K

Lester Fun Run 2025

Downers Grove, IL

Sunday, September 27th, 2026

1 Mile

View details for race Lester Fun Run 2025

F3 Naperville 5K Run & Walk for Little Friends

Warrenville, IL

Sunday, September 27th, 2026

View details for race F3 Naperville 5K Run & Walk for Little Friends

2026 Chi-Care 5K Run/Walk

Chicago, IL

Sunday, September 27th, 2026

View details for race 2026 Chi-Care 5K Run/Walk

Montgomery River Run 2026

Montgomery, IL

Saturday, October 3rd, 2026

10K

View details for race Montgomery River Run 2026

Chasing Our Dreams

Palos Heights, IL

Saturday, October 3rd, 2026

View details for race Chasing Our Dreams

Boo Island - 5K Charity Run/Walk

Blue Island, IL

Saturday, October 3rd, 2026

Trail

View details for race Boo Island - 5K Charity Run/Walk

3rd Annual Downers Grove, IL Ostomy 5k

Downers Grove, IL

Saturday, October 3rd, 2026

View details for race 3rd Annual Downers Grove, IL Ostomy 5k

Haunted Wine Run 5k at Busse Woods

Elk Grove Village, IL

Saturday, October 3rd, 2026

Fast

View details for race Haunted Wine Run 5k at Busse Woods

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

Long Grove, IL

Saturday, October 3rd, 2026

Half

10K

View details for race Long Grove's Oktoberfest Half Marathon, 10K & 5K

Angels Against Abuse 5K Walk/Run

Romeoville, IL

Saturday, October 3rd, 2026

View details for race Angels Against Abuse 5K Walk/Run

Hops for Hope 5K & BrewFest Presented by 93 Oct...

St. Charles, IL

Saturday, October 3rd, 2026

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

Sweet Ride | Bike • Run • Walk

Willow Springs, IL

Saturday, October 3rd, 2026

Trail

View details for race Sweet Ride | Bike • Run • Walk

Patrol the Pavement 5K

Portage, IN

Sunday, October 4th, 2026

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2026 Lemons of Love Pink Lemonade 5K Run/Walk

Mount Prospect, IL

Sunday, October 4th, 2026

View details for race 2026 Lemons of Love Pink Lemonade 5K Run/Walk

13th Annual Head for the Cure 5K - Chicago

Chicago, IL

Sunday, October 4th, 2026

View details for race 13th Annual Head for the Cure 5K - Chicago

Fire Zone 5k

Lockport, IL

Sunday, October 4th, 2026

Trail

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Cheesy Pretzel 5K and 1 Mile Walk

Bolingbrook, IL

Sunday, October 4th, 2026

1 Mile

View details for race Cheesy Pretzel 5K and 1 Mile Walk

JJC Foundation 5K Run/Walk

Joliet, IL

Sunday, October 4th, 2026

1 Mile

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Monster Mash

Batavia, IL

Sunday, October 4th, 2026

10K

View details for race Monster Mash

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