Mighty Mo Run
When is Mighty Mo Run?
Mighty Mo Run takes place on Friday, September 11, 2026 in Sioux City, IA.
What distances does Mighty Mo Run offer?
Mighty Mo Run offers 6 events: Sioux City Mighty Mo 5K, Sioux City Mighty Mo 10K, Sioux City Mighty Mo Half Marathon, Sioux City Mighty Mo Full Marathon, 1K Kid's Run, The "STOOGE" Run 5K - 10K - Half Marathon.
| Event | Distance | Price | |
|---|---|---|---|
| Sioux City Mighty Mo 5K | 5.0 km | $30.00 | Register |
| Sioux City Mighty Mo 10K | 10.0 km | $30.00 | Register |
| Sioux City Mighty Mo Half Marathon | 13.1 mi | $70.00 | Register |
| Sioux City Mighty Mo Full Marathon | 26.2 mi | $95.00 | Register |
| 1K Kid's Run | — | $10.00 | Register |
| The "STOOGE" Run 5K - 10K - Half Marathon | — | $130.00 | Register |
How much does Mighty Mo Run cost?
Registration for Mighty Mo Run starts at $10.00. Prices vary by event distance.
Where is Mighty Mo Run held?
Mighty Mo Run is held in Sioux City, IA at Siouxland Expo Center.
About Mighty Mo Run
Mighty Mo Marathon – Sioux City’s Premier Running Event
The Mighty Mo Marathon is back with an all‑new, flat, runner‑friendly three‑state course—and for the first time ever, prize money is on the line. Sioux City’s signature running event features something for every athlete: Kids Run • 5K • 10K • Half Marathon • Full Marathon • The “STOOGE” Challenge All events offer flat, fast, and fun routes.
Starting and finishing inside the Siouxland Expo Center, runners will enjoy scenic miles along the Missouri River Trail, complete with shade, smooth surfaces, and plenty of space to fly.
Proceeds support the H.A.R.T. Program (Helping Athletes Run & Train), empowering athletes of all ages and abilities.
Course Highlights
Half Marathon: Returns to its popular flat and fast out‑and‑back design.
Full Marathon: Newly redesigned course with beautiful river views, abundant shade, and an indoor start/finish experienc