racecast.ioPartly cloudy throughout the day with strong storms possible.
Light Rain
48%
Light Rain
48%
Details
Light Rain
48%
Light Rain
48%
Light Rain
50%
Light Rain
50%
Moderate Rain
50%
Moderate Rain
50%
Moderate Rain
50%
Wind
12mph
Light Rain
50%
Wind
13mph
Light Rain
52%
Wind
13mph
Light Rain
52%
Wind
13mph
Pre-Race
Race
Post-Race
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Race Overview
Mighty Mo Run is a three-day running weekend in Sioux City, Iowa, with a Friday 5K, a Saturday 10K and kids run, and a Sunday half marathon. A full marathon was added for 2026, crossing Iowa, Nebraska, and South Dakota via a newly opened pedestrian bridge and offering prize money for the first time. The race starts and finishes at the Seaboard Triumph Foods Expo Center and benefits the H.A.R.T. Foundation (Helping Athletes Run & Train).
WikipediaFAQ
When is the 2026 The Mighty Mo Races?
The 2026 The Mighty Mo Races will be held on Sunday September 13, 2026.
Is the The Mighty Mo Races a Boston Marathon Qualfier?
Yes, the The Mighty Mo Races is an official Boston Marathon qualifier.
What is the time limit for the The Mighty Mo Races?
The time limit for the The Mighty Mo Races is 6.5 hours.
The Mighty Mo Races Weather History
The Mighty Mo Races Weather Averages
Average Temp: 70°, Average Low: 59°, Average High: 84°
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|---|---|
| Temp | 60° | 61° | 65° | 70° | 74° | 78° | 81° |
| Feel | 60° | 61° | 65° | 70° | 74° | 79° | 82° |
| Rain | - | - | - | - | - | - | - |
| Wind | 6mph | 6mph | 7mph | 7mph | 6mph | 9mph | 12mph |
| Dew | 59° | 59° | 62° | 63° | 63° | 64° | 62° |
| RunScore |  | |  | |  |  | |
The Mighty Mo Races 2025
Sep 14, 2025
Becoming cloudy in the afternoon with rain.
Low: 65°, High: 86°, Heavy Rain
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|---|---|
| Temp |  65° |  67° | 71° | 77° | 81° | 82° | 86° |
| Feel | 65° | 67° | 71° | 77° | 84° | 85° | 89° |
| Rain | - | - | - | - | - | - | - |
| Wind | 8mph | 5mph | 10mph | 11mph | 12mph | 14mph | 12mph |
| Dew | 64° | 65° | 66° | 68° | 68° | 67° | 68° |
| RunScore | | | | | |  | |
The Mighty Mo Races 2024
Sep 15, 2024
Clear conditions throughout the day.
Low: 62°, High: 87°
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|---|---|
| Temp | 65° | 65° | 67° | 70° | 74° | 81° | 84° |
| Feel | 65° | 65° | 67° | 70° | 74° | 84° | 87° |
| Rain | - | - | - | - | - | - | - |
| Wind | 5mph | 8mph | 11mph | 7mph | 5mph | 2mph | 13mph |
| Dew | 63° | 64° | 65° | 65° | 67° | 69° | 67° |
| RunScore | | | | | | | |
The Mighty Mo Races 2023
Sep 17, 2023
Clear conditions throughout the day.
Low: 46°, High: 76°
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|---|---|
| Temp |  47° | 46° | 53° | 59° | 65° | 69° | 71° |
| Feel | 47° | 45° | 53° | 59° | 65° | 69° | 71° |
| Rain | - | - | - | - | - | - | - |
| Wind | 1mph | 3mph | 3mph | 0mph | 0mph | 5mph | 4mph |
| Dew | 47° | 46° | 52° | 54° | 54° | 54° | 51° |
| RunScore | | | | | | | |
The Mighty Mo Races 2022
Sep 18, 2022
Clear conditions throughout the day.
Low: 55°, High: 84°
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|---|---|
| Temp | 57° | 60° | 63° | 69° | 70° | 75° | 79° |
| Feel | 57° | 60° | 63° | 69° | 70° | 75° | 79° |
| Rain | - | - | - | - | - | - | - |
| Wind | 5mph | 4mph | 3mph | 7mph | 1mph | 5mph | 9mph |
| Dew | 57° | 59° | 61° | 62° | 63° | 64° | 63° |
| RunScore | | | | | | | |
The Mighty Mo Races 2021
Sep 19, 2021
Clear conditions throughout the day.
Low: 66°, High: 87°
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|---|---|
| Temp | 66° | 66° | 70° | 75° | 79° | 82° | 84° |
| Feel | 66° | 66° | 70° | 75° | 79° | 84° | 85° |
| Rain | - | - | - | - | - | - | - |
| Wind | 9mph | 9mph | 10mph | 12mph | 14mph | 18mph | 24mph |
| Dew | 62° | 62° | 64° | 65° | 66° | 64° | 63° |
| RunScore | | | | | | |  |