Saint Charles, United States of America · Sunday 8 November 2026
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
Adjusted Time
1:40:47
Time difference: -4.2 minutes compared to a flat, road, temperate course.
MO' Cowbell Marathon/Half-Marathon/10K/5K is a half marathon held in Saint Charles, United States of America, scheduled for Sunday 8 November 2026. The course is run on road surface with 0m of total elevation gain, reaching a maximum altitude of 0m above sea level. For registration and full race details, visit the official MO' Cowbell Marathon/Half-Marathon/10K/5K website.
This is a very flat course with only 0m of total elevation gain across the full distance. The course ranges from 0m to 0m above sea level — a 0m elevation range that makes it one of the flatter races available. Runners targeting a personal best will appreciate the minimal climbing.
MO' Cowbell Marathon/Half-Marathon/10K/5K is run on road surfaces, which provide the fastest and most predictable conditions for marathon running. Road courses allow for consistent pacing and are typically the best choice for runners targeting a personal best time.
Our difficulty rating for MO' Cowbell Marathon/Half-Marathon/10K/5K is calculated using a model that combines elevation gain, temperature impact, and surface type. Use the difficulty calculator above to enter your target finish time and see exactly how many minutes this course would add or subtract compared to a perfectly flat, cool, road-based half marathon. Faster runners and slower runners are affected differently by the same course conditions, so the difficulty is personalised to your pace.
Looking for an easier marathon or a tougher challenge? You can also compare MO' Cowbell Marathon/Half-Marathon/10K/5K against other half marathons to find the right race for your goals.
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