Mighty Mo Run – Sioux City, IA 2026
Date
September 11, 2026
Location
Sioux City, IA
Venue
Siouxland Expo Center
Start Time
7:30 AM
Entry Fee
$10.00 – $150.00
Events
Sioux City Mighty Mo 10K, Sioux City Mighty Mo Half Marathon, Sioux City Mighty Mo 5K, 1K Kid's Run, The "STOOGE" Run 5K - 10K - Half Marathon, Sioux City Mighty Mo Full Marathon
Includes
T-Shirt
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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