In 258 days · Tue, May 11, 2027
Don't let race day sneak up
One email during race week. That's it.
When
Tuesday, May 11th, 2027
Where
1272 Council Oak Drive, Sioux City IA
Distances
Marathon · Half · 10K · 5K
Typical weather
51–72°F · some rain risk
See last 10 years
On this date: rain 4 of the last 10 years
2026
45–84°F
dry
2025
64–90°F
dry
2024
49–78°F
dry
2023
62–79°F
rain
2022
64–86°F
rain
2021
37–60°F
dry
2020
34–55°F
dry
2019
41–62°F
rain
2018
49–63°F
rain
2017
49–66°F
dry
Best months to race in Iowa →
About this race
Event Overview
- Race: 2027 Prairie Series - Day 5 (IA)
- Date: 2027-05-11
- Location: 1272 Council Oak Drive, Sioux City, IA
- Registration: Click here to register
Race Features
- World's Best: Marathon & Half Series!
- No Time Limits: Enjoy the run without pressure.
- Great Food: Replenish your energy after the race.
- Award-Winning Medals: Take home a memorable token.
Community Engagement
- Loony Community: Join a fun-loving group!
- Stay Updated: Follow us on Main Group and Prairie Series.
- Contact: Email questions to MB@MainlyMarathons.com
- Merchandise: Visit our online store HERE for fun items!
Closing Message
We RUN this country, TOGETHER!
Course map
Train with a club
Run clubs near Sioux City to train with before race day.
See all run clubs near Sioux City →
Suggested Races
Organize this race?
Claim it free to manage your listing — and get it featured for free, while spots last.