239 Upcoming 5K Races Near Lake Forest, IL

Diplo's Run Club Chicago

Chicago, IL

Saturday, October 3rd, 2026

Featured

Code:FTR10

View details for race Diplo's Run Club Chicago

Chicago Fall Classic Half Marathon, 10K & Hot C...

Chicago, IL

Saturday, October 17th, 2026

Half

10K

View details for race Chicago Fall Classic Half Marathon, 10K & Hot Cider Hustle 5K

Rosehill Cemetery 'Crypt' 5K Run/Walk

Chicago, IL

Saturday, October 17th, 2026

View details for race Rosehill Cemetery 'Crypt' 5K Run/Walk

23rd Annual This Run's For Jack 2026

Glen Ellyn, IL

Sunday, October 18th, 2026

View details for race 23rd Annual This Run's For Jack 2026

Organize a race? Add it free — over 100,000 runners use Find The Run every month.

Add it free Feature it

Bolingbrook Howl-O-Ween 5K

Bolingbrook, IL

Sunday, October 18th, 2026

View details for race Bolingbrook Howl-O-Ween 5K

Run with the Nuns 2026

Lemont, IL

Sunday, October 18th, 2026

View details for race Run with the Nuns 2026

Richardson Farm Fall 5K & 10K with Family 1 Mil...

Spring Grove, IL

Sunday, October 18th, 2026

10K

1 Mile

Fast

View details for race Richardson Farm Fall 5K & 10K with Family 1 Mile Adventure Run

Haunted Highlander Assault Trail Run

Pingree Grove, IL

Friday, October 23rd, 2026

Trail

View details for race Haunted Highlander Assault Trail Run

Haunted Highlander Assault Trail Run

Mchenry, IL

Friday, October 23rd, 2026

Trail

View details for race Haunted Highlander Assault Trail Run

Howl-o-ween 5k - Schaumburg

Rolling Meadows, IL

Saturday, October 24th, 2026

View details for race Howl-o-ween 5k - Schaumburg

The Fall Color 5K

Lisle, IL

Saturday, October 24th, 2026

View details for race The Fall Color 5K

Badger High School 5K GLOW Run/Walk

Lake Geneva, WI

Saturday, October 24th, 2026

View details for race Badger High School 5K GLOW Run/Walk

Lake Bluff PTO Pumpkin Chase

Lake Bluff, IL

Saturday, October 24th, 2026

1 Mile

View details for race Lake Bluff PTO Pumpkin Chase

Scary in the Prairie 5k

Pleasant Prairie, WI

Saturday, October 24th, 2026

View details for race Scary in the Prairie 5k

Halloween Hustle

Palatine, IL

Saturday, October 24th, 2026

View details for race Halloween Hustle

Batavia United Way Bat Race 5K & 10K

Batavia, IL

Saturday, October 24th, 2026

10K

View details for race Batavia United Way Bat Race 5K & 10K

Spooky Sprint - Greater Chicago

Greater Chicago, IL

Sunday, October 25th, 2026

1 Mile

10K

View details for race Spooky Sprint - Greater Chicago

Riverside Foundation Halloween Hustle 5K Walk o...

Lincolnshire, IL

Sunday, October 25th, 2026

View details for race Riverside Foundation Halloween Hustle 5K Walk or Run

Hot Cider Hustle - Wheaton 8 Mile Run & 5K Run/...

Wheaton, IL

Sunday, October 25th, 2026

View details for race Hot Cider Hustle - Wheaton 8 Mile Run & 5K Run/Walk

Haunted Oak 5K

Homer Glen, IL

Sunday, October 25th, 2026

View details for race Haunted Oak 5K

Day of the Dead Family 5K Run/Walk

Wheeling, IL

Sunday, October 25th, 2026

View details for race Day of the Dead Family 5K Run/Walk

Fraidycat 5k,8k & Meow Mile

Oswego, IL

Sunday, October 25th, 2026

1 Mile

View details for race Fraidycat 5k,8k & Meow Mile

Haunted Halloween Half Marathon & 5km

Chicago, IL

Sunday, October 25th, 2026

Half

Trail

View details for race Haunted Halloween Half Marathon & 5km

Howl-o-ween 5k - Dan Ryan Woods

Chicago, IL

Sunday, October 25th, 2026

View details for race Howl-o-ween 5k - Dan Ryan Woods

St. Francis Xavier Falcon 5K Run/Walk

La Grange Park, IL

Saturday, November 7th, 2026

View details for race St. Francis Xavier Falcon 5K Run/Walk

Fast Track Cross Country Open

Schaumburg, IL

Sunday, November 8th, 2026

Trail

View details for race Fast Track Cross Country Open

2026 Jingle Bell Run - Western Suburbs, IL

Wheaton, IL

Saturday, November 14th, 2026

1 Mile

View details for race 2026 Jingle Bell Run - Western Suburbs, IL

Abominable Trail Race

Lake Geneva, WI

Saturday, November 14th, 2026

10K

15K

Trail

View details for race Abominable Trail Race

Lisle Turkey Trot Tune-Up 5K

Lisle, IL

Sunday, November 15th, 2026

View details for race Lisle Turkey Trot Tune-Up 5K

Grayslake Central Turkey Trot

Grayslake, IL

Sunday, November 15th, 2026

View details for race Grayslake Central Turkey Trot

Tom-A-Hawk Turkey Trot 5k

Aurora, IL

Saturday, November 21st, 2026

Fast

View details for race Tom-A-Hawk Turkey Trot 5k

Run with the Turkeys 5K

Pleasant Prairie, WI

Saturday, November 21st, 2026

View details for race Run with the Turkeys 5K

Wolfpack 5K: The Great Turkey Chase

Crystal Lake, IL

Sunday, November 22nd, 2026

View details for race Wolfpack 5K: The Great Turkey Chase

Lincolnwood Turkey Trot: 5K, 10K, Walk, Dash

Lincolnwood, IL

Sunday, November 22nd, 2026

10K

Fast

View details for race Lincolnwood Turkey Trot: 5K, 10K, Walk, Dash

Elf Run

Hales Corner, WI

Sunday, November 22nd, 2026

10K

View details for race Elf Run

Naperville Noon Lions Turkey Trot

Naperville, IL

Thursday, November 26th, 2026

View details for race Naperville Noon Lions Turkey Trot

St. Charles Turkey Trot 5K

St. Charles, IL

Thursday, November 26th, 2026

View details for race St. Charles Turkey Trot 5K

St. Leonard Turkey Trot

Muskego, WI

Thursday, November 26th, 2026

View details for race St. Leonard Turkey Trot

Burlington Turkey Trot 5k Run/Walk

Burlington, WI

Thursday, November 26th, 2026

View details for race Burlington Turkey Trot 5k Run/Walk

5k Turkey Trot Family Tradition 2026

Elmwood Park, IL

Thursday, November 26th, 2026

1 Mile

View details for race 5k Turkey Trot Family Tradition 2026

Arlington Heights Turkey Trot

Arlington Heights, IL

Thursday, November 26th, 2026

View details for race Arlington Heights Turkey Trot

Turkey Day 5K (Danada - Naperville)

Naperville, IL

Thursday, November 26th, 2026

Trail

View details for race Turkey Day 5K (Danada - Naperville)

McHenry Kiwanis Club's Turkey Trot 5K

McHenry, IL

Thursday, November 26th, 2026

View details for race McHenry Kiwanis Club's Turkey Trot 5K

Grove Express 5K

Downers Grove, IL

Thursday, November 26th, 2026

View details for race Grove Express 5K

Winnetka Turkey Trot 2025

Winnetka, IL

Thursday, November 26th, 2026

Trail

Fast

View details for race Winnetka Turkey Trot 2025

Chi Town Turkey Trot 5K & 10K

Chicago, IL

Thursday, November 26th, 2026

10K

View details for race Chi Town Turkey Trot 5K & 10K

Long Grove Turkey Trot 5K & 8K

Long Grove, IL

Thursday, November 26th, 2026

View details for race Long Grove Turkey Trot 5K & 8K

Thornton Turkey Trot

Glenwood, IL

Thursday, November 26th, 2026

1 Mile

View details for race Thornton Turkey Trot

Schaumburg Turkey Trot Half Marathon & 5K

Elk Grove Village, IL

Saturday, November 28th, 2026

Half

View details for race Schaumburg Turkey Trot Half Marathon & 5K

Turkey Trails - Greater Chicago

Greater Chicago, IL

Saturday, November 28th, 2026

1 Mile

10K

View details for race Turkey Trails - Greater Chicago

Santa's Run through the Lights 5K Run/Walk

Geneva, IL

Saturday, December 5th, 2026

View details for race Santa's Run through the Lights 5K Run/Walk

Prev 2 35 Next

Explore more in Lake Forest, IL

Jump straight to races by distance, month, or type.

Distance

5K 10K Half Marathon Marathon

Month

July August September

Race type

Trail Boston Qualifiers Fast Courses

Run clubs

Run clubs in Lake Forest

Nearby

Libertyville Long Grove Wheeling Grayslake Arlington Heights Palatine All Illinois races