302 Upcoming 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

Tryon Farm 4 Miler/8 Miler/25k/50k and 2 mile F...

Michigan City, IN

Saturday, October 3rd, 2026

Trail

View details for race Tryon Farm 4 Miler/8 Miler/25k/50k and 2 mile Fun Run/Walk

2026 Milwaukee Lakefront Marathon

Milwaukee, WI

Saturday, October 3rd, 2026

Marathon

Fast

View details for race 2026 Milwaukee Lakefront Marathon

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

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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

Midwest Canine Obstacle Run

Benton Harbor, MI

Saturday, October 3rd, 2026

View details for race Midwest Canine Obstacle Run

Fire Zone 5k

Lockport, IL

Sunday, October 4th, 2026

Trail

View details for race Fire Zone 5k

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

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

Chicago - HFTC 5k

Chicago, IL

Sunday, October 4th, 2026

View details for race Chicago - HFTC 5k

JJC Foundation 5K Run/Walk

Joliet, IL

Sunday, October 4th, 2026

1 Mile

View details for race JJC Foundation 5K Run/Walk

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

Monster Mash

Batavia, IL

Sunday, October 4th, 2026

10K

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The Milwaukee Beer Run 5k & .05k

Glendale, WI

Sunday, October 4th, 2026

Trail

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Patrol the Pavement 5K

Portage, IN

Sunday, October 4th, 2026

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Zachariah's Acres Fall Run, Walk & Roll

Oconomowoc, WI

Saturday, October 10th, 2026

Half

View details for race Zachariah's Acres Fall Run, Walk & Roll

Welcome Run 5K

Lansing, IL

Saturday, October 10th, 2026

View details for race Welcome Run 5K

America 250 Freedom Run/Walk

Janesville, WI

Saturday, October 10th, 2026

10K

View details for race America 250 Freedom Run/Walk

Nik's 7K Home Run & 1.5 Mile Walk & Grammy's Au...

Loves Park, IL

Saturday, October 10th, 2026

1 Mile

View details for race Nik's 7K Home Run & 1.5 Mile Walk & Grammy's Auction at MercyHealth Sportscore Two (Indoor Sports Center)

We Love Teachers 5K - Chicago

Elk Grove Village, IL

Saturday, October 10th, 2026

View details for race We Love Teachers 5K - Chicago

13th Annual Harvest Hustle 5K

Niles, IL

Saturday, October 10th, 2026

View details for race 13th Annual Harvest Hustle 5K

Fit 4 Fall 5K Run/Walk

St. Joseph, MI

Saturday, October 10th, 2026

View details for race Fit 4 Fall 5K Run/Walk

Care4 Breast Cancer Hybrid 5K

Woodstock, IL

Saturday, October 10th, 2026

View details for race Care4 Breast Cancer Hybrid 5K

4th Annual YMCA Run For The Hills 5K/2K

Crown Point, IN

Saturday, October 10th, 2026

View details for race 4th Annual YMCA Run For The Hills 5K/2K

El Trote De Las Calacas

Elgin, IL

Saturday, October 10th, 2026

View details for race El Trote De Las Calacas

Slicer Performing Arts Club (SPArC) 5K Run and ...

La Porte, IN

Sunday, October 11th, 2026

View details for race Slicer Performing Arts Club (SPArC) 5K Run and Walk

2026 Bank of America Chicago Marathon

Chicago, IL

Sunday, October 11th, 2026

Marathon

Fast

View details for race 2026 Bank of America Chicago Marathon

Zombie Fun Run

Schaumburg, IL

Friday, October 16th, 2026

Trail

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National Sweetest Day

Nashotah, WI

Saturday, October 17th, 2026

Half

10K

Trail

View details for race National Sweetest Day

Saw Wee Kee - Fall Trail Run

Yorkville, IL

Saturday, October 17th, 2026

Trail

View details for race Saw Wee Kee - Fall Trail Run

Centre Club 5k 2026

Libertyville, IL

Saturday, October 17th, 2026

View details for race Centre Club 5k 2026

Rosehill Cemetery 'Crypt' 5K Run/Walk

Chicago, IL

Saturday, October 17th, 2026

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

Chicago Fall Classic Half Marathon, 10K & 5K

Chicago, IL

Saturday, October 17th, 2026

Half

10K

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

Run and Creep 5k

Benton Harbor, MI

Saturday, October 17th, 2026

View details for race Run and Creep 5k

Spooky Sprint - Milwaukee

Milwaukee, WI

Saturday, October 17th, 2026

1 Mile

10K

View details for race Spooky Sprint - Milwaukee

JAIMIE COX MEMORIAL RUN

Roscoe, IL

Saturday, October 17th, 2026

Trail

View details for race JAIMIE COX MEMORIAL RUN

Cantigny 5K Run/Walk 2026 - Benefiting The Midw...

Wheaton, IL

Saturday, October 17th, 2026

1 Mile

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

Run with the Nuns 2026

Lemont, IL

Sunday, October 18th, 2026

View details for race Run with the Nuns 2026

Tombstone Trot

Waukesha, WI

Sunday, October 18th, 2026

View details for race Tombstone Trot

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

Bolingbrook Howl-O-Ween 5K

Bolingbrook, IL

Sunday, October 18th, 2026

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

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

Downtown Janesville Zombie Run presented by Rya...

Janesville, WI

Saturday, October 24th, 2026

1 Mile

View details for race Downtown Janesville Zombie Run presented by Ryan Inc.

The Fall Color 5K

Lisle, IL

Saturday, October 24th, 2026

View details for race The Fall Color 5K

Dia de los Muertos Run/Walk

Milwaukee, WI

Saturday, October 24th, 2026

1 Mile

View details for race Dia de los Muertos Run/Walk

Run to Pub Marathon Volunteer

Tinley Park, IL

Saturday, October 24th, 2026

View details for race Run to Pub Marathon Volunteer

Run to Pub Fall Marathon Relay

Tinley Park, IL

Saturday, October 24th, 2026

View details for race Run to Pub Fall Marathon Relay

Hot Cider Hustle - Shorewood Half Marathon & 5K

Milwaukee, WI

Saturday, October 24th, 2026

Half

View details for race Hot Cider Hustle - Shorewood Half Marathon & 5K

Scary in the Prairie 5k

Pleasant Prairie, WI

Saturday, October 24th, 2026

View details for race Scary in the Prairie 5k

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