4 events in Sioux City, Iowa
From big races to Saturday morning group runsâfind trail running events and connect with the local endurance sports community.
Sioux City
4 events in Sioux City-
Sun, Mar 15, 2026 at 8:30 AMSee full details
đ There may or may not be Shenanigans happening at the Shenanigans Run on Sunday, March 15th⌠But we can promise a great time either way.
đââď¸ The Shenanigans 5K takes place on the trail around Sertoma Park, starting and finishing near Explorerâs Ballpark.
đ˝ď¸đĽ¤ PostâRace Celebration: Join us for an allâinclusive spread of food and drinks at Peak Performance, 4501 Southern Hills Drive, Sioux City, IA 51106.
â° Race Start: 8:30 AM đ Awards: Top 3 Overall, Masters, and 5âYear Age Groups
Green will be the theme!
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Sun, Jun 28, 2026 at 8:00 AMSee full details
Date/Time: June 28th, 2026
Short Course (XCC): 8:00am-9:00am
Marathon (XCM): 9:30am-12:15pm
Cross Country (XCO): 9:30am-12:00pm
Location: Cone Park - 3800 Line Dr, Sioux City, IA 51106
This is the third event of the 2026 Nebraska Off-Road Series. For more details on the race, or the series please visit neoffroadseries.com
The rain date for this event is October 3rd
Use Code âTHANKSOVâ for free Junior race category registration!
To participate in any of our events you must have a USA-Cycling License.
You will be able to purchase a license within the registration process.
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Fri, Sep 11, 2026 at 6:30 PMSee full details
Mighty Mo Marathon â Sioux Cityâs Premier Running Event
The Mighty Mo Marathon is back with an allânew, flat, runnerâfriendly threeâstate courseâand for the first time ever, prize money is on the line. Sioux Cityâs signature running event features something for every athlete: Kids Run ⢠5K ⢠10K ⢠Half Marathon ⢠Full Marathon ⢠The âSTOOGEâ 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 outâandâback design.
Full Marathon: Newly redesigned course with beautiful river views, abundant shade, and an indoor start/finish experienc
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Sat, Oct 03, 2026 at 9:30 AM
Local Clubs & Organizations
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Club
USA Swimming Club. 71 members.
[email protected] +1 712-251-4601