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

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

Lawndale 5K

Chicago, IL

Saturday, September 26th, 2026

View details for race Lawndale 5K

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

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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

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

Warrenville, IL

Sunday, September 27th, 2026

View details for race F3 Naperville 5K Run & Walk

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

2026 Chi-Care 5K Run/Walk

Chicago, IL

Sunday, September 27th, 2026

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

Inside Out Club Fall Family 5K

Wheaton, IL

Sunday, September 27th, 2026

View details for race Inside Out Club Fall Family 5K

Soph's Legacy Loop - Reach for the Sky!

Lockport, IL

Sunday, September 27th, 2026

1 Mile

View details for race Soph's Legacy Loop - Reach for the Sky!

Healthy Kids Running Series Fall 2026 - La Gran...

Countryside, IL

Sunday, September 27th, 2026

View details for race Healthy Kids Running Series Fall 2026 - La Grange/Countryside, IL

4th Annual Ted's Run 5k

Racine, WI

Sunday, September 27th, 2026

View details for race 4th Annual Ted's Run 5k

The "Oui" Run 5K

Chicago, IL

Sunday, September 27th, 2026

View details for race The "Oui" Run 5K

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

Panting Four Paws

Crystal Lake, IL

Saturday, October 3rd, 2026

10K

View details for race Panting Four Paws

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

Wisconsin Cheese Run

Muskego, WI

Saturday, October 3rd, 2026

View details for race Wisconsin Cheese Run

Sweet Ride | Bike • Run • Walk

Willow Springs, IL

Saturday, October 3rd, 2026

Trail

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

Boo Island - 5K Charity Run/Walk

Blue Island, IL

Saturday, October 3rd, 2026

Trail

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

Long Grove's Prairie State Half Marathon, 10K &...

Long Grove, IL

Saturday, October 3rd, 2026

Half

10K

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

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

Angels Against Abuse 5K Walk/Run

Romeoville, IL

Saturday, October 3rd, 2026

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

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

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

Chicago - HFTC 5k

Chicago, IL

Sunday, October 4th, 2026

View details for race Chicago - HFTC 5k

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

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

Fire Zone 5k

Lockport, IL

Sunday, October 4th, 2026

Trail

View details for race Fire Zone 5k

Monster Mash

Batavia, IL

Sunday, October 4th, 2026

10K

View details for race Monster Mash

Welcome Run 5K

Lansing, IL

Saturday, October 10th, 2026

View details for race Welcome Run 5K

Care4 Breast Cancer Hybrid 5K

Woodstock, IL

Saturday, October 10th, 2026

View details for race Care4 Breast Cancer Hybrid 5K

El Trote De Las Calacas

Elgin, IL

Saturday, October 10th, 2026

View details for race El Trote De Las Calacas

12th Annual Harvest Hustle 5K

Niles, IL

Saturday, October 10th, 2026

View details for race 12th Annual Harvest Hustle 5K

We Love Teachers 5K - Chicago

Elk Grove Village, IL

Saturday, October 10th, 2026

View details for race We Love Teachers 5K - Chicago

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

View details for race Zombie Fun Run

Centre Club 5k 2026

Libertyville, IL

Saturday, October 17th, 2026

View details for race Centre Club 5k 2026

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

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

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

Run with the Nuns 2026

Lemont, IL

Sunday, October 18th, 2026

View details for race Run with the Nuns 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

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

Howl-o-ween 5k - Schaumburg

Rolling Meadows, IL

Saturday, October 24th, 2026

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

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