Mighty Mo Run
Sun, Sep 13, 2026, 6:30 AM CDT
- Location
- Sioux City, IA
- Siouxland Expo Center, 550 Expo Center Drive, 51101
- Type
- RUN
Sign up and verify details on the organizer’s official page.
Vibe analysis coming soon
Course feel, difficulty, and community fit are being added to this listing. Check back, and always confirm details on the official registration page.
At a glance
Great for
- For a Cause
For a CauseAuto-drafted from the public listing — confirm details on the official event page before signing up.
Distances & registration
6 optionsRegistration for all distances is through the official signup link above.
- 5K
Fri, Sep 11, 6:30 PM CDT · From $32.80
Opens Apr 4, 2026, 8:47 AM CDT · Closes Jun 26, 2026, 7:59 PM CDT
- 10K
Sat, Sep 12, 7:30 AM CDT · From $32.80
Opens Apr 4, 2026, 8:47 AM CDT · Closes Jun 26, 2026, 7:59 PM CDT
- 13.1 Miles
Sun, Sep 13, 7:00 AM CDT · From $75.20
Opens Apr 4, 2026, 8:47 AM CDT · Closes Jun 26, 2026, 7:59 PM CDT
+ 3 more optionsHide
- 26.2 Miles
Sun, Sep 13, 6:30 AM CDT · From $101.70
Opens Jan 23, 2026, 6:37 AM CST · Closes Feb 28, 2026, 7:00 AM CST
1K Kid's Run
Sat, Sep 12, 9:30 AM CDT · From $11.60
Opens Apr 4, 2026, 12:45 PM CDT · Closes Sep 11, 2026, 1:59 PM CDT
The "STOOGE" Run 5K - 10K - Half Marathon
Fri, Sep 11, 6:30 PM CDT · From $138.80
Opens Apr 13, 2026, 9:00 AM CDT · Closes Jun 28, 2026, 7:59 PM CDT
Vibe Check
Push Potential
Push Potentiallonger distance
- Rolling area
Based on terrain, weather, and distance data.
The course
- —
From the organizer
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
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