DeClue Loop Trail Race
Oct 10Wildwood, MO50K, Marathon +2
25K, 4 weeks before race day, 16 mi away, registration open
MarathonHalf Marathon10K5KRegistration open
MO' Cowbell Marathon/Half-Marathon/10K/5K
Saint Charles, Missouri5,725 spots
- Entry from
- $35
- Days to go
- 33
At a glance
- Date
- Nov 8–29, 2026
- Location
- Saint Charles, Missouri
- Distances
- Marathon, Half Marathon, 10K, 5K
- Registration
- Registration open until Nov 8, 2026, via runsignup.com
- Official site
- mocowbellmarathon.com
- Listed from
- RunSignUp
- Last checked
- Oct 5, 2026
Plan this race for free
Aid stations, cutoffs and pacing in one plan, with the timeline your crew follows. Crew invites and race-day updates come with a Race Pass.
Build my planAbout this race
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
Key dates
Registration opens
Feb 2, 2026
Tier 1 ends
Mar 1, 2026
Tier 2 ends
May 1, 2026
Tier 3 ends
Aug 1, 2026
Tier 4 ends
Oct 1, 2026
Tier 5 ends
Nov 6, 2026
Registration closes
Nov 8, 2026
Race day
Nov 8, 2026
Standard ends
Nov 8, 2026
Tier 6 ends
Nov 8, 2026
Pricing
Marathon
Tier 5, then $132 from Nov 6, 2026
$127
Half Marathon
Tier 5, then $122 from Nov 6, 2026
$112
10K
Tier 5, then $96 from Nov 6, 2026
$90
5K
Tier 5, then $75 from Nov 6, 2026
$67
Virtual 10K
Standard, until Nov 8, 2026
$35
Virtual 5K
Standard, until Nov 8, 2026
$35
Virtual Half Marathon
Standard, until Nov 8, 2026
$35
Virtual Marathon
Standard, until Nov 8, 2026
$35
Email me updates about MO' Cowbell Marathon/Half-Marathon/10K/5K
Registration openings and major changes, like a new date or a cancellation.
Entry transfers
Can't race, or need an entry? Post it here so nobody has to ask if it's still available.
Tune-up races
Farmdale Trail Run
Oct 10East Peoria, IL100 mi, 50 mi +3
Half Marathon, 4 weeks before race day, 140 mi away
Straight-line distance
Similar races
14th Annual Springfield Marathon & Harvest Wind Half Marathon & 10K
Nov 7New Berlin, ILMarathon, Half Marathon +1
Also a marathon, 72 mi from MO' Cowbell Marathon/Half-Marathon/10K/5K, registration open
DeClue Loop Trail Race
Oct 10Wildwood, MO50K, Marathon +2
Also a marathon, 16 mi from MO' Cowbell Marathon/Half-Marathon/10K/5K, registration open
Baptist Health: The American Bluegrass Classic
Oct 17PADUCAH, KYMarathon, Half Marathon +1
Also a marathon, 156 mi from MO' Cowbell Marathon/Half-Marathon/10K/5K, registration open
Medal Madness 5K, 10K, 13.1M & 26.2M at Bettendorf, IA (44)
Oct 31Bettendorf, IAMarathon, Half Marathon +2
Also a marathon, 1 week before MO' Cowbell Marathon/Half-Marathon/10K/5K, registration open
Straight-line distance
More Marathons in Missouri
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Oct 10Wildwood, MO50K, Marathon +2
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Race planning
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