MO' Cowbell Marathon/Half-Marathon/10K/5K
MO' Cowbell Marathon/Half-Marathon/10K/5K is a running race on November 8–29, 2026 in Saint Charles, MO, with entry fees from $56 to $117.
- Date
- November 8–29, 2026 (108 days to go)
- Location
- Frontier Park, Saint Charles, MO
- Price
- $56–$117
- Sport
- Running
From the Organizer
Don't miss the fun and excitement of the 15th annual MO' Cowbell Race on November 8, 2026! Four events to choose from on Sunday morning, the Marathon, the Half-Marathon, 10K or the 5K. Flat & fast courses, perfect for beginners or those who want to set a new personal best!
Registration for the Marathon, Half-Marathon, 10K, or the 5K includes:
- Commemorative performance long-sleeve swag
- One-of-a-Kind finisher medal
- FREE and convenient parking
- Free downloadable photos for all participants
- Two-day Health and Fitness ExMO' Packet Pickup
- Family friendly post race party with lots of food, fun, and music
Registration for the Virtual Run includes:
- 2026 One-Of-A-Kind Finisher Medal
- Shipping and handling of your medal to you
- Option to add on race swag
Events
Weather
Typical Conditions
It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.
Typical High
59°
Typical Low
38°
Chance of Rain
27%
Based on US Climate Normals data from St Charles Elm Pt, 1 mi from the venue.
Host City
About Saint Charles, MO
Population
71,048
as of 2023
City Elevation
570 ft
Nearest Airport
STL
St. Louis Lambert International Airport · 9 mi
Time Zone
Central Time
From Endurance Grid
A mid-size host city. Enough lodging and amenities to keep race weekend easy, without big-city sprawl.
Race Location
Your Next Start Line
What Are You
Waiting For?
Every finish line starts with a single decision. Claim your spot at MO' Cowbell Marathon/Half-Marathon/10K/5K, put it on the calendar, and turn “someday” into a start date.
108
Days to train
- Race
- MO' Cowbell Marathon/Half-Marathon/10K/5K
- Date
- November 8–29, 2026
- Location
- Frontier Park, Saint Charles, MO
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From Endurance Grid
About This Sport
Endurance Grid is here to help you understand the sport, decide if it’s the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer’s event page.
With running, there's a distance for every fitness level, a community at every start line, and nothing beats the feeling of crossing a finish line you trained for.
Running is an endurance sport that rewards consistency, and showing up every week compounds in ways that will surprise you.
Running
From 5K to marathon, running races are an accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Coming Up
More Running races near Saint Charles, MO
370 Lakeside Triathlon
5K · Sprint · Olympic · From $32.50 · 1000 Lakeside Park Drive
3 miles away
Summer Sizzler- St Louis
1 Mile · 5K · 10K · 15K · From $17 · Tremayne Shelter
6 miles away
Walter's Walk 5K Fundraiser
1 Mile · 5K · From $10 · 13725 Marine Ave
6 miles away
She Dreams Bigger - Women's Run
1 Mile · 5K · 10K · Half Marathon · 2344 McKelvey Rd.
6 miles away
Plan your trip
Make it a Racecation
Coming from out of town? There's more to Saint Charles than race day. We'll help you line up nearby lodging, flights, a rental car, and things to do so you can make the most of your racecation.
Plan your trip to Saint CharlesFrequently Asked Questions (FAQs)
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MO' Cowbell Marathon/Half-Marathon/10K/5K
Nov 8, 2026