MIGHTY MO RUN
5K, 10K, Half Marathon, & NEW “Stooge” Run
Friday, September 11 – Sunday, September 13, 2026 Sioux City
The Mighty Mo Races
Sioux City, Iowa’s premier running event.
Featuring a Kid’s Fun Run, 5K, 10K, 1/2 Marathon, and introducing “The Stooge.”
All courses will be Flat, Fast & Fun!
The Tri-State Marathon is back in 2026
Half
13.1 miles
Sunday 9/13 7:00am
10k
6.2 miles
Saturday 9/12 7:30am
5k
3.1 miles
Friday 9/11 6:30pm
Kids Run
12 & Under
Saturday 9/12
The Stooge
Unique Award for running ALL 3 DAYS
Fri-Sun, Unique T-Shirt
Something For Everyone!
Starting and finishing at the Seaboard Triumph Foods Expo Center and continuing on the Missouri River Trail next to it.
Proceeds will help support the efforts of the H.A.R.T. Foundation. Helping Athlete’s Run & Train. The 1/2 and Full Marathon will be certified courses.
Day(s)
:
Hour(s)
:
Minute(s)
:
Second(s)
NEW Course Maps
Half Marathon
Seaboard Triumph Foods Expo Center
Detailed Race Start and Finish
Big Thanks to Our Sponsors!
Register to Race!
Reserve your spot today at the Mighty Mo Races!