The Mighty Mo Races
Sioux City, IA, USA · September 13, 2026
Race Day Weather
55°at start
76° high
Breezy
Dry
Cool start, warming trend ahead
Runners will face a starting temperature of 55°F, rising to 74°F by the finish. Winds will be light at 10 mph from the S, with gusts up to 22 mph. With humidity at 71%, pacing adjustments are advised, particularly in the later miles as temperatures increase.
Race day forecast available in 15 days
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FAQ
When is the 2026 The Mighty Mo Races?
The 2026 The Mighty Mo Races will be held on Sunday September 13, 2026.
What is the time limit for the The Mighty Mo Races?
The time limit for the The Mighty Mo Races is 6.5 hours.
What will the weather be like for the 2026 The Mighty Mo Races?
The forecast calls for a high of 79°F and a low of 58°F with a 7% chance of rain.