Prairie State Half Marathon
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Prairie State Half Marathon & 10K of Long Grove
The Prairie State event on Oct 3, 2026 takes place in Historic Downtown Long Grove, Illinois and includes multiple race distances and a post-race Oktoberfest celebration. The course runs through downtown Long Grove and surrounding neighborhoods and is almost entirely on paved streets.
Distances:
- Half marathon (USATF certified IL16094NM)
- 10K (USATF certified IL16097NM)
- Oktoberfest 5K held the same day
The half marathon and 10K are chip timed. Every finisher in the half marathon and 10K receives a finisher medal. Winner medals are presented to the top three male and female finishers in each age group and overall. Age categories begin at 10 & Under and continue through 70 plus.
Event gear options include a commemorative short sleeve or long sleeve shirt, with the long sleeve offered for an additional fee. Packet mailing is available for a fee and virtual entries receive mailed gear prior to race day. A gear check is provided on site using clear bags. Water stations provide water on all courses and water plus sports drink on the half marathon.
An Oktoberfest After Party at Brothers Field features brats and beer for guests 21 and older. Parking is available in downtown lots near the start and finish at 343 Old McHenry Road, Long Grove. Visit the organization's website for the most recent information.
