Prairie Series Day 5

MAY
12
2026
The fifth day of the Prairie Series takes runners to Riverside Park in Sioux City. Choose from five distances, including a marathon, half marathon, 50K, 10K, and 5K, with no time limits. Enjoy food, award-winning medals, and the unique community spirit.
Tue 12 May 2026
50 kilometers 10 kilometers 5 kilometers

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Prairie Series Day 5 in Sioux City, IA

The event is part of the Prairie Series and will take place at Riverside Park in Sioux City, Iowa. The organizer is Mainly Marathons. Multiple race distances are offered.

Race Distances

Participants can register for one of five distances:

  • Marathon
  • Half Marathon
  • 50K
  • 10K
  • 5K

Event Information

The race is described as having no time limits. Organizers mention there will be food and award-winning medals. The community around the event is referred to as the "Loony Community." For additional details about the series, participants are directed to the Mainly Marathons website. Visit the organization's website for the most recent information.

50 km
50k
10 km
10k
5 km
Marathon
Half Marathon