Prairie Series Day 4 - NE
Race Date
May 10, 2027
Location
South Sioux City, NE
Quick facts
- Date
- Monday, May 10, 2027
- Location
- South Sioux City, Nebraska
- Distance
- Half marathon (13.1 mi)
- Course
- Loop Course
- Terrain
- Road
- USATF certified
- Not listed
The Experience
Welcome to the best multi-day, multi-state Running Series!
Mainly Marathons has 75 events across 13 series taking place in all 50 states!
Mainly Marathons 2026 Calendar
The 2026 series dates have been announced and the Calendar can be found HERE (https://mainlymarathons.com/wp-content/uploads/2025/08/MM-Newsletter-2025-August12.jpg). The 2026 calendar is similar to that of 2025, including 75 races covering all 50 States and 3 Running Ragged combined series! Join us for one race, all 75 (AAA Challenge!), or any number in between! Use the “Races/Series” tab in the header of the website to find details on each of the series. Registration links are on the corresponding series page, also available below:
Online registration via Active.com is open for all 2026 Series: Aloha, Gulf Coast, Appalachia (https://endurancecui.active.com/new/eventseries/126720/select-race)n, Riverboat, Prairie, Independence (https://endurancecui.active.com/new/eventseries/128706/select-race), New England (https:
Course Info
Course Type
Loop Course
Terrain
road
Difficulty
Rolling Hills
Quality Score
first year
no finisher counts yet
small race — neutral
needs a few years of results
3 timing sources · 5 photos
no finisher data yet
no winner time yet
typical high 75°F
Race Day Weather
5-year historical avgStart (Low)
53°
Afternoon (High)
74°
Warm — hydration strategy is key, start conservatively
0.1"
Precipitation
15 mph
Wind
60%
Humidity
Frequently asked
When is the Prairie Series Day 4 - NE?
The Prairie Series Day 4 - NE is held on Monday, May 10, 2027.
Where does the Prairie Series Day 4 - NE take place?
It takes place in South Sioux City, Nebraska.
What distances does the Prairie Series Day 4 - NE offer?
The half marathon (13.1 miles).
Is the Prairie Series Day 4 - NE course flat and good for a PR?
The Prairie Series Day 4 - NE is a rolling hills, loop course course.
HalfRuns editorial — independent, no paid placement.
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