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Mighty Mo Run

Fri September 11 - Sun September 13 2026
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Mighty Mo Run

Fri September 11 - Sun September 13, 2026
Sioux City, IA 51101 US Directions

Events

Sioux City Mighty Mo 10K

Price: $30
Date Range: 09/12
Time: 7:30AM CDT 10:00AM CDT
Registration Opens April 4, 2026 at 12:47pm CDT

Sioux City Mighty Mo Half Marathon

Price: $70
Date Range: 09/13
Time: 7:00AM CDT 12:00PM CDT
Registration Opens April 4, 2026 at 12:47pm CDT

Sioux City Mighty Mo 5K

Price: $30
Date Range: 09/11
Time: 6:30PM CDT 8:00PM CDT
Registration Opens April 4, 2026 at 12:47pm CDT

1K Kid's Run

Price: $10
Date Range: 09/12
Time: 9:30AM CDT 10:00AM CDT
Registration Opens April 4, 2026 at 4:45pm CDT

The "STOOGE" Run 5K - 10K - Half Marathon

Price: $130
Date Range: 09/11 09/13
Time: 6:30PM CDT 1:00PM CDT
Registration Opens April 13, 2026 at 1:00pm CDT

Sioux City Mighty Mo Full Marathon

Price: $95
Date Range: 09/13
Time: 6:30AM CDT 1:00PM CDT
Price increases after February 28, 2026 at 12:00pm CST
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Race Website

Additional race information can be found at http://www.mightymorun.com.

Place

Siouxland Expo Center
550 Expo Center Drive
Sioux City, IA US 51101

Description

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

Race Contact Info

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Directions

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