Mainly Marathons Prairie Series
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2026 Prairie Series - Day 5 (IA)
The 2026 Prairie Series - Day 5 (IA) is a distance running event organized by Mainly Marathons. The race takes place at Riverside Park in Sioux City, Iowa. This event is part of a multi-day series and features a variety of distances to accommodate different levels of participation.
The event is characterized by several specific logistical features. There are no time limits for any of the distances, and participants have access to food throughout the event. Those completing their races receive medals for their achievement.
The following distances are available at this event:
- 50K
- Marathon
- Half Marathon
- 10K
- 5K
The course is located at 1272 Council Oak Drive in Sioux City. Registration for the event is open to individual age group and open categories. The event is one segment of a broader series of races held across the region. Visit the organization's website for the most recent information.
