Mainly Marathons Prairie Series - Day 4
South Sioux City, Nebraska, United States
May 10, 2027 - Monday
5k, 10k, 50k, Half-marathon, Marathon, Ultra
Race Information
Prairie Series is organized by Mainly Marathons, one of the largest race organizers in the US, with races in all 50 states. You can participate in one race or take the challenge to complete the whole series!
Mainly Marathons races are designed for runners who run long and run often. All finishers in races longer than half marathon get a custom metal-stamped nameplate!
Be race ready.
Don't let common runner injuries sideline you, or hold back a PR.
PHY will do a 3D body scan in 60 seconds, on your phone, from the comfort of home, and build a a personalized plan to address where your body is out of alignment.
A $149 plan. For a limited time, RunGuides readers get free access to PHY.
Proper alignment unlocks smoother body movement, while reducing risk for injuries to your IT band, knees, shins, and back.
Run stronger, longer.
Use Promo Code: RUNGUIDES
Free Plan for Beginner Runners
Receive a FREE training plan for beginner runners from our friends at None to Run
Are you looking to become a runner for the first time? Coming back to running after a hiatus? Our friends at None to Run have created a training plan for beginner runners
The None to Run Beginner Plan is super gradual and achievable, no matter your starting point.
In 12 weeks, you’ll be able to run 25 minutes non-stop...and actually enjoy it!
Click the button below to get your free training plan.
🏃 Looking For More Runs Near Nebraska?
Find another distance:
Race Facts
Race Size: 1 - 100
Elevation: Fast and Flat
Course Type: Trail
Boston Qualifier: No
Kids Run: No
Where to Stay
Use this map to find hotels and airbnb accommodation near this race location.