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.

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

Baller Trails 8M Race

August 15, 2021 at 7:00 am
Babler Park

8th Annual Bobby Ceriotti 5K Run/Walk

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

Theresa Twellman 5K Walk/Run to Cure PSP/CBD/MSA

August 21, 2021 at 9:00 am
Babler Park

Edwardsville Downtown Dash 1.4 Mile

August 21, 2021 at 6:00 pm
Edwardsville, IL

Hecker Tiki Trot 5K

August 21, 2021 at 8:00 pm
Hecker, IL

The Moonlight Ramble

August 21, 2021 at 10:00 pm
The Grove

I Love Forest Park 5K & Kids Fun Run

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

Waterloo Optimist 5K Run

August 28, 2021 at 8:00 am
Rogers Elementary School 200 N Rogers St.

Corps of Discovery Half Marathon and 5 mile Trail Race

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

Race For Reconciliation 5K

September 6, 2021 at 8:30 am
Benton Park neighborhood

Give Back Run

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

Kirkwood Greentree Rotary Ramble 5k/10k/1M

September 11, 2021 at 7:30 am
Kirkwood Community Center & Kirkwood Park

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

Walter’s Walk 5K/1M Walk Fundraiser

September 19, 2021 at 9:00 am
Creve Coeur Lake 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

Miles for Mutts 5K

September 25, 2021 at 8:00 am
Troy Tri-Township Park

Steps for Life 5k Run/2m Walk

September 25, 2021 at 8:00 am
Highland, IL on the square

SIUE Cougars Unleashed Homecoming Run

September 25, 2021 at 9:30 am
SIUE Birger Hall

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

September 25, 2021 at 5:00 pm
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

Miles for Meals

October 3, 2021 at 8:00 am
Creve Coeur Park – Tremayne Shelter

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

Leaves and Seeds Fall Fun Run

October 16, 2021 at 8:00 am
Shaw Nature Reserve

Wildwood Shivering Shadows 7K

October 29, 2021 at 7:00 pm
Wildwood Greenway

The Innsbrook Half Marathon

October 30, 2021 at 8:00 am
Innsbrook Resort

5k 4 Soldiers

November 6, 2021 at 8:00 am
Jefferson Barracks Park

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

Veterans Day 5K Run/Walk

November 6, 2021 at 9:30 am
Soldier’s Memorial – Downtown St. Louis

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

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

Race for Refugees 4

November 20, 2021 at 9:00 am
Tower Grove Park

St Louis Track Club Marathon Relay

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

Bad Dawg Ultra

November 27, 2021 at 6:00 am
Waynesville Fire Department Training Center

Trail Turkey Trot on Turkey Ridge

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