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
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
Hotels Near This Race
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Race Travel Insurance
Don't forget travel insurance for September 11.
You've trained for months and booked a trip to Sioux City, IA.
A pre-race injury, a delayed flight, or a family emergency can derail the whole thing.
Travel insurance can help cover your race entry fee, hotel, and flights if you can't make it,
and may cover medical costs if something goes wrong on the course. Plans typically only run
5-7% of your total trip cost — and running events are covered under standard plans with no
additional coverage needed.
Trip cancellation up to 100% of prepaid costs
Running events covered under standard plans — no add-ons needed
Trip interruption up to 150% of non-refundable costs
