32 Upcoming Races Near Lake Saint Louis, MO in September, 2026

Eckert's Spiked Apple 5k

Belleville, IL

Saturday, September 5th, 2026

View details for race Eckert's Spiked Apple 5k

The Labor Day Slay 5K-10K-10KRUCK-Half Marathon

St Louis, MO

Saturday, September 5th, 2026

10K

Half

View details for race The Labor Day Slay 5K-10K-10KRUCK-Half Marathon

Run for the Dogs - St. Louis

St Louis, MO

Sunday, September 6th, 2026

Fast

View details for race Run for the Dogs - St. Louis

JJK5K

Madison, IL

Monday, September 7th, 2026

View details for race JJK5K

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

Add it free Feature it

Northside Trap Run 5K

Saint Louis, MO

Saturday, September 12th, 2026

1 Mile

View details for race Northside Trap Run 5K

2026 Duo Dash

Saint Louis, MO

Saturday, September 12th, 2026

1 Mile

View details for race 2026 Duo Dash

Legacy of Patriots 4th Annual Miles of Memories 5k

Fenton, MO

Saturday, September 12th, 2026

View details for race Legacy of Patriots 4th Annual Miles of Memories 5k

5K-DEN

Sullivan, MO

Saturday, September 12th, 2026

View details for race 5K-DEN

Kirkwood Greentree Rotary Ramble

Kirkwood, MO

Saturday, September 12th, 2026

10K

1 Mile

View details for race Kirkwood Greentree Rotary Ramble

9/11 Heroes Run - St. Louis, MO

St. Louis, MO

Saturday, September 12th, 2026

View details for race 9/11 Heroes Run - St. Louis, MO

Patriot Day Run

Wentzville, MO

Saturday, September 12th, 2026

10K

View details for race Patriot Day Run

The Great Chase

Saint Louis, MO

Sunday, September 13th, 2026

10K

View details for race The Great Chase

Walter's Walk 5K Fundraiser

Creve Coeur, MO

Sunday, September 13th, 2026

1 Mile

View details for race Walter's Walk 5K Fundraiser

Millstadt Parks Biathlon & 5K

Millstadt, IL

Sunday, September 13th, 2026

Trail

View details for race Millstadt Parks Biathlon & 5K

Dogtown Doggy Dash

St. Louis, MO

Sunday, September 13th, 2026

View details for race Dogtown Doggy Dash

Solidarity Sidekick Down Route 66 – Stop 18 – O...

Granite City, IL

Wednesday, September 16th, 2026

View details for race Solidarity Sidekick Down Route 66 – Stop 18 – Old Chain of Rocks Bridge 6.6K

Brentwood Community 5K

Brentwood, MO

Saturday, September 19th, 2026

Trail

View details for race Brentwood Community 5K

35th Annual Run for the Hills

Saint Louis, MO

Saturday, September 19th, 2026

1 Mile

View details for race 35th Annual Run for the Hills

18th Annual Alton Miles for Meso 5K Race & 3K F...

Alton, IL

Saturday, September 19th, 2026

View details for race 18th Annual Alton Miles for Meso 5K Race & 3K Fun Run/Walk

Italian Fest 5K

Collinsville, IL

Saturday, September 19th, 2026

Fast

View details for race Italian Fest 5K

Light The Darkness 5K & 1 Mile Glow Run

Florissant, MO

Saturday, September 19th, 2026

View details for race Light The Darkness 5K & 1 Mile Glow Run

Desmoid Defenders 5K Run/Walk

Saint Louis, MO

Sunday, September 20th, 2026

1 Mile

View details for race Desmoid Defenders 5K Run/Walk

The Big River Run

Jefferson County, MO

Sunday, September 20th, 2026

View details for race The Big River Run

The Piggyback Dash 10K, 5K, 2K

Union, MO

Saturday, September 26th, 2026

10K

1 Mile

View details for race The Piggyback Dash 10K, 5K, 2K

Belleville Main Street Marathon & Half Marathon

Belleville, IL

Saturday, September 26th, 2026

Marathon

Half

Trail

View details for race Belleville Main Street Marathon & Half Marathon

SIUE Cougars Unleashed Homecoming Run & Pancake...

Edwardsville, IL

Saturday, September 26th, 2026

10K

1 Mile

View details for race SIUE Cougars Unleashed Homecoming Run & Pancake Breakfast

14th Annual 'Due Run 4 Education

Saint Louis, MO

Saturday, September 26th, 2026

1 Mile

View details for race 14th Annual 'Due Run 4 Education

Golden Harvest Half Marathon & 5k/10k - St. Louis

St. Louis, MO

Saturday, September 26th, 2026

1 Mile

10K

View details for race Golden Harvest Half Marathon & 5k/10k - St. Louis

CITY Sprint 5k

Saint Louis, MO

Sunday, September 27th, 2026

View details for race CITY Sprint 5k

Runner's Birthday Bash 5k and Fun Run/Walk

Saint Ann, MO

Sunday, September 27th, 2026

1 Mile

View details for race Runner's Birthday Bash 5k and Fun Run/Walk

Wurst Race Ever 5K/10K

St Charles, MO

Sunday, September 27th, 2026

10K

Trail

View details for race Wurst Race Ever 5K/10K

Whiskey Run St. Louis / St. Charles

St Charles, MO

Sunday, September 27th, 2026

Half

10K

Trail

View details for race Whiskey Run St. Louis / St. Charles

Explore more in Lake Saint Louis, MO

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 Saint Louis

Nearby

Defiance Chesterfield St Charles Saint Charles Wildwood Maryland Heights All Missouri races