2 events in Lake County, Illinois

From big races to Saturday morning group runs—find half marathon events and connect with the local endurance sports community.

• Long Grove's Prairie State Half Marathon, 10K & Oktoberfest 5K [allcommunityevents.com] [Register at runsignup.com]
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  Sat, Oct 03, 2026 at 7:30 AM

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  Prairie State Half Marathon, 10K & Oktoberfest 5K - 10/3/2026

  Long Grove, IL

  #PrarieStateHalf #PrairieState10K #PrairieStateRun

  The Prairie State Half Marathon, 10K & Oktoberfest 5K is a tour through...

  Prairie State Half Marathon, 10K & Oktoberfest 5K - 10/3/2026

  Long Grove, IL

  #PrarieStateHalf #PrairieState10K #PrairieStateRun

  The Prairie State Half Marathon, 10K & Oktoberfest 5K is a tour through the historic downtown streets & neighborhoods of Long Grove.

  Event times, dates, location and all other details are subject to change prior to the event. All official information is on the event's website AllCommunityEvents.com.

  5k 10k 13.1 Miles Half Marathon Run

  343 Old McHenry Rd., Lake County, Illinois, 60047, United States
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• Des Plaines River Trail Races [desplainesrivertrailraces.com] [Register at ultrasignup.com] - Facebook - Instagram
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  Sat, Oct 10, 2026

  50k 50 Miles Half Marathon Trail Ultra

  619 S. Milwaukee Ave., Lake County, Illinois, 60069, United States
  OpenStreetMap Google Maps

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