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.

Manchester Earth Day 5k

April 23, 2021 at 6:30 pm
Schroeder Park

LX3-Timed Event (12 Hour/6 Hour)

April 24, 2021 at 12:00 am
Washington, Lions Lake

Missouri KIDS Journey of Hope

April 24, 2021 at 12:00 am
Virtual Event

33rd Annual Trolley Run

April 25, 2021 at 7:00 am
Kansas City, MO

20th Annual Jim Schoemehl Run for ALS

May 1, 2021 at 7:30 am
Webster Groves High School

7th Annual Micro Run & Fitness Event

May 1, 2021 at 9:00 am
Forest Park – Upper Muny Parking Lot

Washington University PT Run for Research

May 2, 2021 at 12:00 am
Virtual Event

Gateway Resilience Run 5 Mile

May 2, 2021 at 8:00 am
Forest Park

Chain of Rocks Bridge Duathlon

May 2, 2021 at 9:00 am
Chain of Rocks Bridge

ICS 5k and Kids Fun Run

May 7, 2021 at 4:30 pm
Immaculate Conception School

Ferguson Twilight Run 10M, 10k, 5k & 1M

May 15, 2021 at 6:00 pm
Ferguson Outdoor Plaza

St. Charles Half Marathon

May 16, 2021 at 7:30 am
Missouri Research Park

Millstadt Tin Half Marathon and 5K Races

May 23, 2021 at 7:30 am
Village of Millstadt

Hospital Hill Run

June 5, 2021 at 8:00 am
Crown Plaza – Kansas City, MO

20th Annual Run For Life And Learning

June 5, 2021 at 8:30 am
Creve Coeur Lake Memorial Park

The Macklind Mile

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

Children’s Heart Foundation Fun Run & 5k

June 27, 2021 at 7:30 am
Kirkwood Park/Community Center

Blue Line Family 5K Run/Walk and Virtual Race

June 27, 2021 at 8:00 am
Heartland Park

Unite for Bleeding Disorders Walk & 5K

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

Tour de Kirwood Triathlon

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

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

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

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