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Race Overview
Join thousands from across the Midwest and beyond for the fastest, flattest course you’ve likely ever competed. MO’ Cowbell was started in 2011 with the goal of hosting a family-friendly, fun race put on by local folks for local folks. This flat course that starts and ends along the Missouri River can be used as a qualifier for other esteemed marathons such as the Boston Marathon, New York City Marathon, London Marathon and Chicago Marathon.
WikipediaFAQ
When is the 2026 MO Cowbell Marathon?
The 2026 MO Cowbell Marathon will be held on Sunday November 8, 2026.
Is the MO Cowbell Marathon a Boston Marathon Qualfier?
Yes, the MO Cowbell Marathon is an official Boston Marathon qualifier.
What is the time limit for the MO Cowbell Marathon?
The time limit for the MO Cowbell Marathon is 6.5 hours.
MO Cowbell Marathon Course Map
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MO Cowbell Marathon Weather History
MO Cowbell Marathon Weather Averages
Average Temp: 64°, Average Low: 55°, Average High: 75°
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp | 58° | 62° | 65° | 67° | 70° | 72° | 73° |
| Feel | 58° | 62° | 65° | 67° | 70° | 72° | 73° |
| Rain | - | - | - | - | - | - | - |
| Wind | 4mph | 6mph | 7mph | 8mph | 7mph | 9mph | 9mph |
| Dew | 54° | 54° | 53° | 53° | 53° | 53° | 53° |
| RunScore |  | | | | |  | |
MO Cowbell Marathon 2025
Oct 5, 2025
Clear conditions throughout the day.
Low: 55°, High: 85°
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|
| Temp |  66° | 73° | 78° | 80° | 82° | 84° | 85° |
| Feel | 66° | 73° | 78° | 80° | 82° | 83° | 84° |
| Rain | - | - | - | - | - | - | - |
| Wind | 3mph | 7mph | 10mph | 10mph | 11mph | 11mph | 9mph |
| Dew | 57° | 55° | 54° | 55° | 56° | 57° | 56° |
| RunScore | | | | | | | |
MO Cowbell Marathon 2024
Oct 6, 2024
Clear conditions throughout the day.
Low: 59°, High: 81°
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|
| Temp | 71° | 73° | 76° | 78° | 79° | 80° | 81° |
| Feel | 71° | 73° | 76° | 78° | 79° | 80° | 79° |
| Rain | - | - | - | - | - | - | - |
| Wind | 9mph | 10mph | 12mph | 11mph | 9mph | 8mph | 12mph |
| Dew | 60° | 53° | 46° | 43° | 41° | 40° | 40° |
| RunScore | | | | | | | |
MO Cowbell Marathon 2023
Oct 1, 2023
Clear conditions throughout the day.
Low: 58°, High: 85°
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|
| Temp | 69° | 74° | 79° | 82° | 84° | 84° | 85° |
| Feel | 69° | 74° | 79° | 83° | 83° | 83° | 84° |
| Rain | - | - | - | - | - | - | - |
| Wind | 3mph | 2mph | 6mph | 9mph | 8mph | 7mph | 8mph |
| Dew | 61° | 62° | 61° | 60° | 59° | 57° | 58° |
| RunScore | | | | | | | |
MO Cowbell Marathon 2022
Oct 2, 2022
Clear conditions throughout the day.
Low: 44°, High: 78°
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|
| Temp | 54° | 60° | 65° | 70° | 73° | 75° | 76° |
| Feel | 54° | 60° | 65° | 70° | 73° | 75° | 76° |
| Rain | - | - | - | - | - | - | - |
| Wind | 2mph | 1mph | 1mph | 6mph | 9mph | 9mph | 10mph |
| Dew | 48° | 49° | 49° | 50° | 48° | 48° | 46° |
| RunScore | | | |  | | | |
MO Cowbell Marathon 2021
Oct 2, 2021
Partly cloudy throughout the day with rain.
Low: 70°, High: 79°, Moderate Rain
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|
| Temp | 73° | 74° |  72° | 72° | 74° |  75° | 77° |
| Feel | 73° | 74° | 72° | 72° | 74° | 75° | 77° |
| Rain | - | - | light | light | light | - | - |
| Wind | 8mph | 9mph | 8mph | 3mph | 2mph | 6mph | 5mph |
| Dew | 67° | 68° | 68° | 69° | 69° | 69° | 68° |
| RunScore | | |  |  | | | |
MO Cowbell Marathon 2019
Oct 6, 2019
Partly cloudy throughout the day with rain.
Low: 58°, High: 68°, Light Rain
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|
| Temp | 63° | 64° | 64° | 65° | 65° | 63° | 65° |
| Feel | 63° | 64° | 64° | 65° | 65° | 63° | 65° |
| Rain | - | - | - | - | - | light | - |
| Wind | 7mph | 7mph | 8mph | 5mph | 8mph | 4mph | 6mph |
| Dew | 52° | 50° | 48° | 49° | 48° | 55° | 52° |
| RunScore | | | | | | | |
MO Cowbell Marathon 2018
Oct 7, 2018
Partly cloudy throughout the day with a chance of rain throughout the day.
Low: 67°, High: 86°, Moderate Rain
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|
| Temp | 70° | 72° | 77° | 81° | 83° | 86° | 85° |
| Feel | 70° | 72° | 77° | 85° | 88° | 91° | 90° |
| Rain | - | - | - | - | - | - | light |
| Wind | 6mph | 7mph | 7mph | 6mph | 9mph | 11mph | 12mph |
| Dew | 69° | 70° | 71° | 71° | 71° | 71° | 71° |
| RunScore | | | | | | | |
MO Cowbell Marathon 2017
Oct 1, 2017
Partly cloudy throughout the day.
Low: 50°, High: 79°
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|
| Temp | 58° | 61° | 66° | 70° | 74° | 75° | 76° |
| Feel | 58° | 61° | 66° | 70° | 74° | 75° | 76° |
| Rain | - | - | - | - | - | - | - |
| Wind | 7mph | 7mph | 4mph | 6mph | 6mph | 9mph | 8mph |
| Dew | 47° | 47° | 47° | 47° | 46° | 48° | 49° |
| RunScore | | | | | | | |
MO Cowbell Marathon 2016
Oct 2, 2016
Cloudy skies throughout the day with afternoon rain.
Low: 57°, High: 71°, Light Rain
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|
| Temp | 62° | 64° | 66° | 68° | 71° | 70° | 70° |
| Feel | 62° | 64° | 66° | 68° | 71° | 70° | 70° |
| Rain | - | - | - | - | - | - | - |
| Wind | 2mph | 6mph | 8mph | 6mph | 8mph | 5mph | 4mph |
| Dew | 60° | 61° | 61° | 61° | 61° | 60° | 61° |
| RunScore | | | | | | | |
MO Cowbell Marathon 2015
Oct 4, 2015
Partly cloudy throughout the day.
Low: 50°, High: 58°
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|
| Temp | 51° | 52° | 53° | 55° | 56° | 57° | 57° |
| Feel | 51° | 52° | 53° | 55° | 56° | 57° | 57° |
| Rain | - | - | - | - | - | - | - |
| Wind | 11mph | 10mph | 8mph | 7mph | 9mph | 8mph | 10mph |
| Dew | 47° | 48° | 48° | 49° | 50° | 51° | 51° |
| RunScore | | | | | | | |
MO Cowbell Marathon 2014
Oct 5, 2014
Clearing in the afternoon.
Low: 38°, High: 73°
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|
| Temp | 51° | 55° | 60° | 64° | 66° | 70° | 73° |
| Feel | 51° | 55° | 60° | 64° | 66° | 70° | 73° |
| Rain | - | - | - | - | - | - | - |
| Wind | 1mph | 3mph | 6mph | 5mph | 9mph | 10mph | 14mph |
| Dew | 39° | 39° | 41° | 43° | 44° | 46° | 44° |
| RunScore | | | | | | | |
MO Cowbell Marathon 2013
Oct 6, 2013
Partly cloudy throughout the day with rain.
Low: 48°, High: 57°, Light Rain
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|
| Temp | 52° | 52° | 53° | 53° | 57° | 56° | 57° |
| Feel | 52° | 52° | 53° | 53° | 57° | 56° | 57° |
| Rain | light | - | - | - | - | - | - |
| Wind | 15mph | 14mph | 18mph | 13mph | 16mph | 16mph | 20mph |
| Dew | 43° | 40° | 39° | 38° | 39° | 39° | 39° |
| RunScore | | | | | | | |