Mainly Marathons Prairie Series
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2026 Prairie Series Day 4
The 2026 Prairie Series Day 4 is a multi-distance running event organized by Mainly Marathons. The competition takes place at Crystal Cove Park in South Sioux City, Nebraska. This event is part of a series and features an open registration policy with no time limits enforced for participants, accommodating a variety of paces and experience levels.
Participants can choose from five distinct race distances:
- 5K
- 10K
- Half Marathon
- Marathon
- 50K
The event is held at a park setting located at 700 West 39th Street. The organizer provides food for participants and awards medals to those completing their respective courses. Registration is open to individual age groups and the general public. Various merchandise, including hats, stickers, and magnets, is available in relation to the series. Visit the organization's website for the most recent information.
