Big River Running Company is your resource for the most comprehensive race calendar in the region! Races marked with the Big River Race Management logo indicate the event is professionally timed and/or managed by Big River. Check back frequently as races are added on a regular basis. If you would like to have your race included in our race calendar, click here.

The Macklind Mile

June 26, 2021 at 7:30 am
Big River South City Store

Blue Line Family 5K Run/Walk and Virtual Race

June 27, 2021 at 8:00 am
Heartland Park

Chesterfield Stars and Stripes – 5k, 10k and Kids Fun Run

July 4, 2021 at 12:00 am
Chesterfield Athletic Complex

O’Fallon Firecracker Run

July 4, 2021 at 7:00 am
CarShield Field

14TH ANNUAL STRIDES For HOPE 5K RUN & 1MILE WALK

July 10, 2021 at 8:30 am
St. Charles County, Frontier Park

Unite for Bleeding Disorders Walk & 5K

July 11, 2021 at 9:30 am
Doubletree Chesterfield Hotel

Beca’s 5k Run/Walk

July 17, 2021 at 8:00 am
Creve Coeur Lake, Tremayne Shelter

Show Me Games Cross Country Race

July 17, 2021 at 8:00 am
Gans Creek course Columbia Mo

Walther Park 5K

July 17, 2021 at 8:00 am
Walther Park, De Soto MO

Race To Remember, Benefiting The Alzheimer’s Association

July 24, 2021 at 7:45 am
370 Lakeside Park

Tour de Kirwood Triathlon

July 25, 2021 at 7:30 am
Kirkwood Park Aquatic Center

Watershed Endurance 6Hr/3Hr Run

August 7, 2021 at 6:00 pm
Watershed Nature Center

1/2 Way To Mardi Gras 5K

August 12, 2021 at 6:00 pm
Lumiere Place Casino

8th Annual Bobby Ceriotti 5K Run/Walk

August 20, 2021 at 7:00 pm
Carondelet Park- Boat House

I Love Forest Park 5K & Kids Fun Run

August 22, 2021 at 7:30 am
Forest Park Visitor’s Center

Corps of Discovery Half Marathon and 5 mile Trail Race

September 4, 2021 at 8:00 am
Lewis and Clark Trailhead

Give Back Run

September 11, 2021 at 7:00 am
Cherry Hill Village Square

Italian Fest 5K

September 18, 2021 at 8:00 am
W. Main Street Collinsville, IL

PRC Walk for Life/Run for Life

September 18, 2021 at 10:00 am
Rolla lions club park

5th Annual Belleville Main Street Marathon

September 25, 2021 at 7:00 am
Belleville, IL

5th Annual Piggyback Dash 10K, 5K, 2K

September 25, 2021 at 8:00 am
Union, MO

Wildwood Geenway 5K and Half-Mile Fun Run for Kids

September 25, 2021 at 8:00 am
Wildwood City Hall

MO’ Cowbell 5K / Mini Moo Mile

October 2, 2021 at 4:00 pm
Frontier Park

MO’ Cowbell Marathon/Half-Marathon/Marathon Relay

October 3, 2021 at 7:30 am
Frontier Park St. Charles, MO

Families Run for Ovarian Cancer 5k and 1-Mile Run/Walk

October 10, 2021 at 8:30 am
Downtown St. Louis – Soldier’s Memorial

STL Cure Sarcoma 6k Run/Walk

October 10, 2021 at 9:30 am
Creve Coeur Lake Park – Tremayne Shelter

DeClue Loops Trail Race

October 16, 2021 at 7:00 am
Greensfelder Park

Wildwood Shivering Shadows 7K

October 29, 2021 at 7:00 pm
Wildwood Greenway

10th Annual “D.A.R.E. to Run for BackStoppers” 5K/10K & Kids Fun Run

November 6, 2021 at 9:00 am
Millstadt Village Park

2021 Honoring our Heroes Marathon, Half, Relay, 10K & 5K

November 20, 2021 at 7:00 am
Rolla, MO

St Louis Track Club Marathon Relay

November 21, 2021 at 8:00 am
Tower Grove Park

Trail Turkey Trot on Turkey Ridge

November 27, 2021 at 8:00 am
Turkey Ridge Trail