When is Mighty Mo Run?

Mighty Mo Run takes place on Sep 13, 2026. That's in 1 month.

Where is Mighty Mo Run located?

Mighty Mo Run is held in Sioux City, Iowa, United States.

What distances are available at Mighty Mo Run?

Mighty Mo Run offers the following distances: 13.1M.

How do I register for Mighty Mo Run?

You can register for Mighty Mo Run through the official registration page.

What is the typical weather for Mighty Mo Run?

Based on historical data, you can expect temperatures between 54°F and 78°F on race day. There's approximately a 12% chance of precipitation.

Mighty Mo Run (13.1M) - Sep 13, 2026 | Sioux City, IA

Prepare for an unforgettable challenge at the Mighty Mo Run, Sioux City, Iowa's premier running event, taking place on September 13, 2026. This popular race, known for its "Flat, Fast & Fun!" courses, offers a half marathon distance that promises an excellent opportunity for personal bests. The scenic 13.1-mile route begins and ends at the Siouxland Expo Center, taking runners on a picturesque journey along the Missouri River Trail, through Chris Larson Park and Scenic Park, and past historic Floyd's Monument. Typical race day conditions in mid-September feature pleasant highs around 78F and lows around 54F, with a minimal 12% chance of precipitation, creating ideal running weather.

The Mighty Mo Run boasts a strong reputation for being a well-organized, family-friendly event with a vibrant community atmosphere. Aid stations are strategically placed every mile or more along the course, providing essential electrolytes and Honey Stinger to keep you fueled. What truly sets this race apart is its commitment to philanthropy; proceeds directly support the H.A.R.T. Program (Helping Athletes Run & Train), fostering local athletic development. As a USATF-certified course, the Mighty Mo Half Marathon is also a Boston qualifier, attracting competitive runners seeking to achieve their qualifying times.

While the course is largely praised for its smooth surfaces and scenic river views, some past runners have noted a brief less-than-pleasant aroma near a wastewater treatment area. However, the overall experience is consistently lauded for its supportive community and engaging environment, making it a perfect destination race for both seasoned runners and those new to the half marathon distance. Participants can look forward to new awards and the possibility of tackling the "Stooge" challenge by completing all weekend distances for a unique finisher's award. The start and finish lines at the Siouxland Expo Center offer ample parking, with packet pickup available on race day during a limited window or conveniently beforehand.